The type of selection where a species of insect becomes resistant to a pesticide that farmers commonly use is Natural selection.
What describes naturakl selection?Natural selection is the process by which organisms with traits that are better suited to their environment are more likely to survive and reproduce. In this case, the insects that are resistant to the pesticide are more likely to survive and reproduce, because they are not killed by the pesticide.
This means that the next generation of insects will have more resistant individuals. Over time, this can lead to a population of insects that is completely resistant to the pesticide.
Find out more on natural selection here: https://brainly.com/question/23929271
#SPJ1
A scientific name consists of 2 identifying pieces of information. In the correct order, they are ___________ &. _________. (2 word answer separated by 'and' or '&')
Answer:
Binomial & nomenclature
Explanation:
Consist of genus, the first name and species,the second name
What initiates an action potential on a muscle cell?
a. Acetylcholine binding to receptors on the sarcolemma within the neuromuscular junction
b. Acetylcholinesterase
c. Myosin cross bridges binding to actin
d. Atp?
The correct option that initiates an action potential on a muscle cell is a. Acetylcholine binding to receptors on the sarcolemma within the neuromuscular junction. (optoin a)
An action potential is an electrical signal that triggers the contraction of muscle cells. In order for an action potential to occur in a muscle cell, several steps are involved:
Nerve Impulse: A nerve impulse, or action potential, is generated in a motor neuron, which carries the signal from the central nervous system to the muscle.
Neuromuscular Junction: The nerve impulse reaches the neuromuscular junction, which is the point of connection between the motor neuron and the muscle cell.
Acetylcholine Release: The nerve impulse stimulates the release of acetylcholine, a neurotransmitter, from the motor neuron into the synaptic cleft of the neuromuscular junction.
Acetylcholine Binding: Acetylcholine diffuses across the synaptic cleft and binds to receptors on the sarcolemma, which is the cell membrane of the muscle cell.
Sodium Influx: The binding of acetylcholine to the receptors triggers the opening of ion channels, allowing sodium ions to flow into the muscle cell.
Depolarization: The influx of sodium ions causes a change in the electrical potential of the muscle cell, leading to depolarization.
Action Potential: If the depolarization reaches the threshold level, it triggers the generation of an action potential along the sarcolemma and into the muscle cell. (optoin a)
For more such questions on muscle cell , click on:
https://brainly.com/question/7331656
#SPJ8
Huntington’s disease (HD) is prevalent South Africa. Most of the families with HD have Dutch or British ancestry, which suggests they inherited the European HD allele. HD is believed to have first arrived in South Africa more than 300 years ago when Dutch colonists settled into the Western Cape in the 1600s. Thus, the prevalence of HD in South Africa is the result of the founder effect.
Mutations in the HTT gene cause Huntington’s disease. The HTT gene provides instructions for making a protein called huntintin. This protein plays a role in nerve cells in the brain. The HTT mutation that causes HD involves a DNA segment known as a CAG trinucleotide repeat. This segment is made up of a series of three DNA building blocks that appear multiple times in a row. Normally, the CAG segment is repeated 10 to 35 times within the gene. In people with HD, the CAG segment is repeated 36 to more than 120 times. An increase in the size of the CAG segment leads to the production of an abnormally long version of the huntintin protein. This causes the dysfunction and eventual death of neurons in certain areas of the brain. The more repeats, the more serious the disease is.
HD is inherited in an autosomal dominant pattern. There is both an adult onset (after reproductive age) and a juvenile onset pattern. People with adult onset typically have 40 to 50 repeats, while people with the juvenile form tend to have more than 60 repeats. Individuals who have 27 to 35 repeats do not develop HD, but they are at risk of having children who will develop the disorder. As the gene is passed on to offspring, the size of the repeat may lengthen into the range associated with HD.
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Explanation:
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
What do the arrows represent?
the magnetic field
thermal energy
light energy
the electric field
Answer:
the answer is A
Explanation:
Answer:
A. the magnetic field
Explanation:
Have a nice day/night :D
a candy factory in las vegas recycles its wastewater from the factory and local area to fertilize a community garden. which process affecting the nitrogen cycle is reduced due to these conservation efforts? responses nitrogen fixation nitrogen fixation eutrophication eutrophication acid rain acid rain photosynthesis
Answer:
Eutrophication
Explanation:
See the image attached! Please like and give your rating, this will help me a lot! :)
The process affecting the nitrogen cycle that is reduced due to the conservation efforts of a candy factory in Las Vegas is eutrophication. Let's learn more about eutrophication and the nitrogen cycle.
Eutrophication: It is a process that happens when excessive nutrients such as nitrogen and phosphorus are introduced into a water body, leading to an overgrowth of algae and other plants. The overgrowth of these plants can cause a decrease in dissolved oxygen levels in the water, leading to the death of fish and other aquatic life forms. The reduction of eutrophication can be done by reducing the number of nutrients present in the water or by preventing their introduction into the water body. Thus, the reduction of eutrophication can help in the conservation of aquatic life and promote a healthy environment.
Nitrogen Cycle:The nitrogen cycle is the process by which nitrogen is converted from its gaseous form in the atmosphere into a form that can be used by living organisms. This process involves several steps, including nitrogen fixation, nitrification, assimilation, and denitrification. Nitrogen fixation is the process by which atmospheric nitrogen is converted into a usable form by bacteria. The bacteria then release the nitrogen into the soil, where plants can absorb it. Thus, nitrogen is an essential nutrient required for plant growth. Fertilizers containing nitrogen are added to soil to improve the soil's fertility and promote plant growth. However, excessive use of fertilizers can lead to the release of nitrogen into water bodies, resulting in eutrophication.
In conclusion, the conservation efforts of a candy factory in Las Vegas that recycles its wastewater to fertilize a community garden will help reduce the process affecting the nitrogen cycle that is eutrophication. This is because the recycling of wastewater will prevent the release of excessive nutrients such as nitrogen into water bodies, which would otherwise lead to the overgrowth of algae and other plants and negatively impact aquatic life.
know more about Eutrophication click here:
https://brainly.com/question/26451414
#SPJ11
a. how did births, deaths, immigration, and emigration likely affect the rabbit population during its first two years on the island?
Births, deaths, immigration, and emigration would depend on initial population size, reproductive rates, survival, and influx/outflow.
If rabbits from other areas migrate to the island during the first two years, it could lead to an increase in the rabbit population. The arrival of new individuals through immigration can have significant effects. Firstly, it can introduce genetic diversity to the population, which can enhance its resilience and adaptability to the island's conditions.
Genetic diversity provides a wider range of traits and variations that may help the population better cope with environmental challenges, such as changes in resource availability or disease outbreaks. Secondly, immigrants may bring different behavioral or physiological characteristics, which can potentially benefit the population.
To learn more about population follow the link:
https://brainly.com/question/15889243
#SPJ4
Which of the following statements BEST describe viruses? Pick ONE.
: They have cytoplasm
: They have organelles
: They cannot live on their own
Answer:
They can not live on their own
Explanation:
The main difference between cells and viruses is that viruses need another cell to infect so that they can reproduce. Cells on the other hand can reproduce on their own.
The statements best describe viruses are they cannot live on their own. Therefore, option C is correct.
What is virus ?A virus is an infectious submicroscopic creature that only reproduces inside live cells. All living things, including plants, animals, and microbes like bacteria and archaea, are susceptible to virus infection.
Viruses are utilized as carriers or vectors to deliver the necessary components for treating a disease to different target cells. They have received substantial research in the treatment of malignancies, inherited illnesses, and genetic engineering.
Viruses are composed of bundles of DNA or RNA that are encased in a protein capsule called a capsid. By some metrics the most prevalent life form on Earth1, viruses are thought to be 10 times more prevalent than bacteria.
Thus, option C is correct.
To learn more about the virus, follow the link;
https://brainly.com/question/1427968
#SPJ12
plz help me plz and ty
i think it's
1. selective breeding, humans
2. humans
3. a: similar b: different
4. a: crops b:animals c: plants
5. similar, different or animals, plants
(not sure for 5)
lmk if this is correct!
A car drives 68 miles in 1 5/12 hours.What is the average speed in miles per hour
Answer:
Average speed = total distance / total time
= 68 / 1 5/12 [ change 1 5/12 to an improper fraction - 17/12]
= 68 / 17/12 [perform division]
= 68 * 12/17
= 48 miles per hour
Someone help me pls :(
Answer:
Explanation:
The problem is going to be the fleas. Without them, the pyramid would be
grass on the bottom
Sambar Deer
Tiger on Top
If it were me, I'd put the fleas as the same level as the deer. The tiger isn't interested in the fleas (the deer isn't really either), but they come with the deer and maybe with the tiger as well.
3 of 26 Question 3 Review The two reactions illustrated in the diagrams below often occur when a foreign substance enters the body. Foreign substance Specific proteins SY produces Cell A Cell B The cells labeled A and B are examples of cells known as
I believe the answer is white blood cells
When a foreign substance enters the body, foreign substance-specific proteins produce white blood cells (WBC). Hence, option C is correct.
What are white blood cells?The immune system of the body includes white blood cells. They support the body's defenses against illness and infection. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are different types of white blood cells (T cells and B cells).
Blood is filtered and monitored by the thymus. T-lymphocytes, a type of white blood cell, are produced by it.
White blood cells (WBCs) defend against bacterial, viral, fungal, and other pathogen infections (organisms that cause infection). The neutrophil is a significant kind of WBC. These cells are created in the bone marrow and circulate throughout the body in the blood. Hence, option C is correct.
Learn more about white blood cells, here:
https://brainly.com/question/19202269
#SPJ6
Evaluate your proposed solutions for their impact on overall environmental stability and changes. Which solution has more impact? Explain your reasoning for picking one solution over another
which molecules are inputs in cellular respiration
Which phyla have well developed nervous system
Answer:
Cnidarians.......hope it helps
Which shows the correct path of how energy flows in a food chain?
A
producer, consumer, predator, decomposer
B
symbiosis, producer, prey, decomposer
C
consumer, predator, carnivore, herbivore
D
niche, consumer, decomposer, chlorophyll
Answer:
A there needs to be a producer, consumer, and predator, and decomposer.
I hope this helped!!
In the 1860s Gregor Mendel performed numerous dihybrid crosses between pea plants. Dihybrid crosses involve the study of the inheritance patterns related to two different traits. In guinea pigs the allele for black fur (B) is dominant over the allele for brown fur (b), and the allele for short fur (F) is dominant over the allele for long fur (f). What percentage of the offspring from a BbFf x bbff cross would be expected to be heterozygous for both traits
Answer:
25% of the progeny is expected to be dihybrid, BbFf, expressing Black and short fur
Explanation:
Available data:
the allele for black fur (B) is dominant over the allele for brown fur (b)the allele for short fur (F) is dominant over the allele for long fur (f)Cross: BbFf x bbffParentals) BbFf x bbff
Phenotypes) Black/Short Brown/Long
Gametes) BF, Bf, bF, bf bf, bf, bf, bf
Punnett square) BF Bf bF bf
bf BbFf Bbff bbFf bbff
bf BbFf Bbff bbFf bbff
bf BbFf Bbff bbFf bbff
bf BbFf Bbff bbFf bbff
F1) 4/16 = 1/4 = 25% of the progeny is expected to be dihybrid, BbFf, expressing Black and short fur
4/16 = 1/4 = 25% of the progeny is expected to be bbFf, expressing Brown and short fur
4/16 = 1/4 = 25% of the progeny is expected to be Bbff, expressing Black and long fur
4/16 = 1/4 = 25% of the progeny is expected to be bbff, expressing Brown and Long fur
Answer:
25%
Explanation:
Because i took the test
Using Markel's Measures of Excellence, critique a technical document or website of your choice. Briefly summarize and then analyze the document/site. Specifically, I would like you to address the following questions: Is the document clear, concise, accessible, comprehensive professional-looking, honest and accurate? Give specific examples from the text to support your critique. What are the document/site's strengths and weaknesses? You may want to format this assignment with each measure as a heading. Please submit the document or URL along with your paper.
The document or website that I will be critiquing is titled “A Beginner's Guide to Photography." It is document that outlines the basics of photography for beginners.
Markel's Measures of Excellence, Clear, Concise, Accessibility, Comprehensive, Professional-looking, and Weaknesses.
Clear
The document is clear as it outlines the basics of photography, which makes it easy for beginners to understand. The language used is straightforward, and the vocabulary is easy to understand. It provides a basic understanding of photography without any jargon or technical language. The writer successfully breaks down complex photography terms to help beginners understand them better.
Concise
The document is concise. It provides the necessary information to get started with photography without being too lengthy or detailed. The writer successfully explains the technical terms without going into too much detail, which could overwhelm beginners.
Accessibility
The document is easily accessible. It is available online, and the language used is simple and straightforward. It is accessible to anyone who has an internet connection.
Comprehensive
The document is comprehensive. It outlines the basic concepts of photography that beginners need to understand. However, it is not too comprehensive that it becomes overwhelming. The writer provides an excellent overview of the fundamental principles of photography.
Professional-looking
The document is professional-looking. The formatting is well-done and the use of pictures and graphics is impressive. The document is visually appealing, which adds to its overall quality.Honest and accurateThe document is honest and accurate. It does not make any false claims and provides accurate information. The writer uses specific examples to illustrate the concepts of photography, which makes it easy for beginners to understand.
Strengths
The document is clear and concise, which makes it easy for beginners to understand. The use of pictures and graphics is impressive, which makes the document visually appealing. The writer uses specific examples to illustrate the concepts of photography, which makes it easy for beginners to understand.
Weaknesses
The document could benefit from more in-depth explanations of some concepts. While the writer does an excellent job of breaking down complex photography terms, there are some concepts that could benefit from more detail.
To know more about Photography visit:
https://brainly.com/question/31166522
#SPJ11
Which phylum to not have an internal or external skeleton or shell?
Explanation:
What is the name of this website
or the book?
Hurricanes, thunderstorms, and blizzards are all meteorological disasters. What does "meteorological" mean
Answer:
relating to the branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather.
Explanation:
Answer:
is related from the wheater
What possible conditions were ruled out by the surface examination, normal body temperature and CBC?
And Explain the process and purpose of a lumbar puncture or "spinal tap".
A surface examination, normal body temperature, and CBC can rule out a number of possible conditions, including:
InfectionsInflammationTumorsMetabolic disordersWhat are these disorders?Infections: Surface examination can rule out infections of the skin, such as cellulitis or abscess. Normal body temperature can rule out systemic infections, such as pneumonia or sepsis. CBC can rule out infections that cause inflammation, such as meningitis or encephalitis.
Inflammation: CBC can rule out inflammation, such as arthritis or lupus.
Tumors: Surface examination can rule out tumors of the skin or soft tissues. CBC can rule out tumors that cause inflammation, such as lymphoma or leukemia.
Metabolic disorders: CBC can rule out metabolic disorders, such as diabetes or kidney disease.
A lumbar puncture, also known as a spinal tap, is a medical procedure in which a needle is inserted into the spinal canal to collect cerebrospinal fluid (CSF). CSF is a clear fluid that surrounds the brain and spinal cord. It is produced by the brain and spinal cord and helps to cushion and protect them.
Lumbar punctures are used to diagnose a variety of conditions, including:
Meningitis: Meningitis is an inflammation of the meninges, the membranes that surround the brain and spinal cord. It can be caused by bacteria, viruses, or fungi.
Encephalitis: Encephalitis is an inflammation of the brain. It can be caused by bacteria, viruses, or fungi.
Subarachnoid hemorrhage: A subarachnoid hemorrhage is a bleeding in the space between the brain and the meninges. It is often caused by a ruptured aneurysm.
Tumors: Lumbar punctures can be used to diagnose tumors of the brain and spinal cord.
Inflammatory diseases: Lumbar punctures can be used to diagnose inflammatory diseases, such as multiple sclerosis and sarcoidosis.
Metabolic disorders: Lumbar punctures can be used to diagnose metabolic disorders, such as diabetes and kidney disease.
The process of a lumbar puncture is as follows:
The patient lies on their side with their knees drawn up to their chest.The healthcare provider cleans the area around the patient's lower back with an antiseptic solution.The healthcare provider inserts a needle into the patient's spinal canal.The healthcare provider collects a sample of CSF.The healthcare provider removes the needle and applies pressure to the area.The patient is monitored for any complications.Find out more on spinal tap here: https://brainly.com/question/24951282
#SPJ1
which of the following is true about cardiovascular disease (cvd)?
Cardiovascular disease (CVD) is a broad term that refers to a group of conditions that affect the heart and blood vessels. Several truths about CVD can be highlighted:
1. CVD is a leading cause of death globally: Cardiovascular diseases, including heart attacks and strokes, are responsible for a significant number of deaths worldwide. They affect both men and women and are a major public health concern.
2. Lifestyle factors contribute to CVD: Certain lifestyle choices, such as unhealthy diet, physical inactivity, smoking, and excessive alcohol consumption, can increase the risk of developing cardiovascular disease. Making positive lifestyle changes, such as adopting a healthy diet, engaging in regular physical activity, and avoiding tobacco and excessive alcohol use, can help prevent CVD.
3. Risk factors for CVD include both modifiable and non-modifiable factors: While some risk factors for CVD, such as age, gender, and family history, cannot be changed, there are several modifiable risk factors that individuals can address. These include high blood pressure, high cholesterol levels, obesity, diabetes, and stress.
4. Prevention and management strategies are available: It is possible to prevent and manage CVD through various strategies. These include regular health screenings, maintaining a healthy lifestyle, managing underlying conditions (such as hypertension and diabetes), and following medical advice and treatment plans.
Cardiovascular disease is a significant health concern globally, influenced by lifestyle factors and both modifiable and non-modifiable risk factors. However, with appropriate prevention and management strategies, the impact of CVD can be mitigated, emphasizing the importance of maintaining a healthy lifestyle and seeking medical guidance.
Learn more about postmenopausal, visit here:
brainly.com/question/28059081
#SPJ11
20 point quick, brainly too
Answer:
b
Explanation:
nervous and circulatory
Answer:
lol
Explanation:
as insulin is released, it is wrapped in a sac as it moves across a cell membrane to enter the bloodstream, circulating until it finds its target cell. what is this process called?
The process in which insulin is released, wrapped in a sac and moved across a cell membrane to enter the bloodstream and circulate until it finds its target cell is called exocytosis.
Exocytosis is the process by which a cell releases materials to the exterior by fusing a vesicle containing the materials with the cell membrane and forcing its contents out of the cell. It is an active transport process in which the materials to be transported are packaged in vesicles and secreted out of the cell by fusion with the plasma membrane. In this case, insulin is secreted from the pancreatic beta cells into the bloodstream by exocytosis.
Learn more about exocytosis: https://brainly.com/question/30640702
#SPJ11
Any change in the Relative Frequency of alleles in a population is:
Controlled by more than 2 genes
Controlled by a single gene
The gene pool
Evolution
1. Decide on an issue to focus on and collect information about.
You may choose from the following list, or obtain approval of your own idea from your teacher.
Waste management
Recycling
Disposal of toxic substances or e-waste
Landfill
Watershed threats
Point sources
Non-point sources
To write a paper on an environmental issue, the first step is to decide on a particular issue to concentrate on and gather relevant information. The options to choose from include waste management, recycling, toxic waste or e-waste disposal, landfill, watershed threats, point sources, and non-point sources. If you select one of the topics listed below, you will need to explain it in detail, including its importance and potential solutions.
Alternatively, you may have an original idea for a topic, but you will need your teacher's approval before proceeding.The first and most critical step in composing an essay on an environmental issue is to choose a specific environmental problem to investigate and collect data. The following is a list of topics to choose from: waste management, recycling, disposal of toxic substances or e-waste, landfill, watershed threats, point sources, and non-point sources. Once you have selected an issue, you must include a detailed description of it in your essay. Additionally, you should provide reasons for why the issue is significant, the current status of the issue, potential solutions to the issue, and the benefits of such solutions. The solution should address the root cause of the issue, rather than merely treating the symptoms.
In conclusion, the paper should emphasize the significance of the environmental issue and the importance of taking appropriate steps to address it.
know more about environmental issue click here:
https://brainly.com/question/28211138
#SPJ11
children with adhd who are at increased risk for conduct or oppositional problems are those who exhibit ____.
Children with ADHD who are at increased risk for conduct or oppositional problems are those who exhibit impulsivity, hyperactivity, and inattention.
What is ADHD?
Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental condition characterized by persistent and consistent signs of inattention, hyperactivity, and impulsivity that interfere with an individual's functioning and development, beginning in early childhood and lasting throughout their lifespan. There are three subtypes of ADHD: Inattentive, Hyperactive-Impulsive, and Combined. Impulsivity, hyperactivity, and inattention are the common symptoms of all subtypes of ADHD.
ADHD children who exhibit impulsivity, hyperactivity, and inattention are at increased risk for conduct or oppositional problems. These symptoms are associated with externalizing disorders such as oppositional defiant disorder, conduct disorder, and antisocial personality disorder. Children who have trouble following rules, resisting temptation, and understanding the consequences of their actions are at increased risk for conduct or oppositional problems.
If you need to learn more about ADHD click here:
https://brainly.com/question/29434369
#SPJ11
Cellular respiration begins with Glycolysis, in which an investment of 2 ATPs are needed in order to break a carbon-carbon bond in 1 glucose molecule. When the bond is broken, high energy electrons are released and carried by ___________ to go to the Electron Transport Chain. The resulting carbon compound, pyruvate, will enter the Krebs Cycle. A net gain of 2 ATP are created. However, if oxygen is not readily available to the cell (and the mitochondria), ____________ and pyruvate will enter Lactic Acid Fermentation to free up the ____________ so it can continue accepting high energy electrons from the breakdown of glucose in Glycolysis. This will, in turn, continue to create a small, but steady supply of ATP energy.
Answer:
1. NADH
2. NADH
3. NADH
Explanation:
Cellular respiration begins with Glycolysis, in which an investment of 2 ATPs are needed in order to break a carbon-carbon bond in 1 glucose molecule. When the bond is broken, high energy electrons are released and carried by NADH to go to the Electron Transport Chain. The resulting carbon compound, pyruvate, will enter the Krebs Cycle (to produce GTP/ATP as well as NADH and FADH₂ which carries electrons to the electron tranport chain). A net gain of 2 ATP are created. However, if oxygen is not readily available to the cell (and the mitochondria), NADH and pyruvate will enter Lactic Acid Fermentation to free up the NADH so it can continue accepting high energy electrons from the breakdown of glucose in Glycolysis. This will, in turn, continue to create a small, but steady supply of ATP energy which is the 2 ATP generated in the payoff phase of glycolsis.
True or false, Velocity causes changes in force
State one important precaution regarding the apparatus used in all food tests
Answer:
WEAR A LAB COAT TO PROTECT YOUR CLOTHES AGAINST THESE CHEMICALS, AND SAFETY GLASSES TO PROTECT EYES, UNLESS YOU ARE A SPECTACLE WEARER. (EXCEPT WET GLASSWARE, AND EMPTY CHEMICAL BOTTLES!). BE ESPECIALLY CAREFUL WITH HOT LIQUIDS AND WATERBATHS. KEEP CHEMICAL BOTTLES OFF THE BENCH, AND DO NOT CONTAMINATE PIPETTES
Explanation:
QUICK!! The diagram below shows the molecular structure of glucose. Glucose is a
simple carbohydrate that is important to living organisms. a. Describe the
primary function of glucose in cells. b. Simple sugars like glucose can be used to
make larger organic molecules. Identify one larger molecule made from simple
sugars (monosaccharides).