Yearly growth rate is 6.
Population increases by Birth and immigration. Population decreases by death and emigrations .so, yearly growth rate of this population from births and immigration provides the growth rate of a population over a given period of time.
Birth immigration 5+10,6+3
Yearly growth rate is 15-9=6
Population growth is the increase in the number of people in a population or dispersed group. To calculate the Population Growth (PG) we find the difference (subtract) between the initial population and the population at Time 1, then divide by the initial population and multiply by 100.
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Cellulose is a material found in plants. It tested negative with Benedict’s solution. What can you conclude about the composition of cellulose?.
Answer: Pure cellulose would be expected to give a negative Benedict test result. Benedict's test reacts positively to monosaccharides and some disaccharides. These carbohydrates have one or two six-carbon rings. Cellulose is a polysaccharide and is too large and complex to form chemical reactions with Benedict's solution.
Explanation:
Label the letters below with the cell organelle.
Question 5 options:
nucleus
mitochondria
cell membrane
Golgi apparatus
1. B
2. I
3. E
4. H
Answer:
1. B is the nucleus
2. I is the cell membrane
3. E is the Golgi apparatus
4. H is the mitochondria
the incidence of down syndrome, also known as trisomy 21, increases with increasing maternal age. which of the following errors most likely produces this condition?
a. Nondisjunction during meiosis II in either the male and female gamete
b. Nondisjunction during either meiosis I or II in the female gamete
c. Nondisjunction during either meiosis I or II in the male gamete
d. Nondisjunction during meiosis I in either the male and female gamete
Option B. Nondisjunction during either meiosis I or II in the female gamete, most likely produces this condition.
Nondisjunction throughout both meiosis I and II can produce a gamete a good way to result in a trisomic zygote. hazard elements for maternal nondisjunction of chromosome 21 are increased maternal age and altered recombination. Since the occurrence of Down syndrome will increase with maternal age, it's far possible that this error takes place in the female gamete.
The end result of a nondisjunction of chromosome 21 in a zygote that has forty-six, XY might be cells with 47 chromosomes. It happens due to an additional chromosome (chromosome 21) that originated in either the egg or the sperm. Throughout fertilization, 3 instead of two are present. A human born with Down syndrome inherits all or a part of a further replica of Chromosome 21. S
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The main function of the circulatory system is to: Secrete (release) enzymesProduce hormones (testosterone/estrogen)Digest (break down) proteinsTransporting (moving) materials
To answer this question we need to look at each statement:
Secrete (release) enzymes: in this case is more propper of the digestive system since its function is to break food into usable nutrientes by the cells in the body.
Produce hormones (testosterone/estrogen): This is actually part of the endocrine system, that is in charge to produce and regulating hormone production.
Digest (break down) proteins: This is also part of the digestive system, as it was mentioned before their function is to break food into nutrients.
Transporting (moving) materials: This is correct, the circulatory system has the function to transport materials in and out of cells.
how are speciation and niches interconnected concepts?
Darwin postulated that competition within a niche was the driving force for diversification. In other words, if you can fill a new niche, your odds of successfully reproducing go up. He called it the "principle of divergence" and thought it was one of his most important epiphanies.
Contemporary biologists, on the other hand, would often contend that geographic isolation of a population is the most probable reason for speciation. Due to different niches being present in various places, two populations that were once connected are now isolated from one another. However, it is generally accepted that isolation rather than niche changes contributed more to the beginning of speciation.
Thus, isolation along with entirely untapped niches often accounts for the broad speciation seen in adaptive radiations.
Speciation? What do you mean by that?The process of speciation is how populations become different species. Cladogenesis, the separation of lineages, was first described by the scientist Orator F. Cook in 1906. Cladogenesis is in contrast to anagenesis, which relates to phyletic evolution within lineages.
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An ameba moves and feeds by forming tempory bulges of the cell membrane called the ________.
A:
false arm
B:
cilia
C:
pseudopods
D:
sarcodines
Answer:
C. Pseudopods
Explanation:
The model illustrates the relationship between
photosynthesis and aerobic cellular respiration. The
reactants needed by the plant for photosynthesis are
CO₂ and H₂O in the presence of sunlight. How does the plant
acquire the H₂O needed for photosynthesis?
A. From cellular respiration
B. Absorption through the roots
C. Osmosis through all plant parts
D. Transpiration through the leaves
Answer: B Absorption through the roots
Explanation: During photosynthesis plants take in carbon dioxide (CO2) and water (H2O)
what is the salt concentration of pure water
Which is a benefit that we get from
biodiversity?
A. over-hunted animals
B. production of oxygen by plants
C. deforestation of rainforests
D. air pollution
Answer:
B
Explanation:
Because it helps with good health and food nutition
Which element is most common in carbohydrates?
O hydrogen
O carbon
O nitrogen
O oxygen
Hydrogen is most common in carbohydrates.
What are carbohydrates?Prior to any oxidation or reduction, the majority of carbohydrates have the empirical formula Cm(H2O)n. Carbohydrates are made up only of carbon, hydrogen, and oxygen atoms.The polyhydroxyaldehydes (aldoses) or polyhydroxyketones (ketoses) that makeup carbohydrates are made of C, H, and O.They are divided into three categories: monosaccharides, oligosaccharides, and polysaccharides.Most of the carbohydrates in humans are d isomers, unlike in animals. The most significant monosaccharide in humans, glucose is an aldohexose that cells use as fuel.In a 1:2:1 ratio, carbon, hydrogen, and oxygen make up the class of chemical molecules known as carbohydrates.To learn more about carbohydrates, refer
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Will Give Brainiest to the first to answer.
Explain what caused the dark-colored peppered moths to become more numerous than the light-colored peppered moths when their environment became covered in soot.
Answer:
because they were harder to see for predetors
Explanation:
the soot made the dark moths camouflage better, so they were hidden while whites were not so the whites got eaten with out reproducing while the blacks reproduced and birthed more blacks no I'm not racist lol ez to type w blacks ND whites tho
What happens to the concentration of enzymes over the course of a chemical
reaction?
OA. It increases gradually.
OB. It decreases gradually.
C. It remains constant.
D. It increases to a maximum and then decreases again.
Answer:
Explanation:
CORRECT ANSWER: It remains constant.
Thank me later!!!!!!!
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2. The release of one phosphate group from ATP powers the reactions in the cell. Which phosphate is the one that is released from ATP?
NH₂
НО-Р-О-Р-О-Р-О-
ОН
О #4
#1
Assess It #16-Assess It
Biology Section 30VC/Quarter 1/Week of October 3/Wednesday, October 5/ Day 39
#2
ОН
# 3
# 2
N
ОН
+1
N-
N
ОН ОН
#4
D
When one phosphate group is removed by rupturing a phosphoanhydride bond during the process known as hydrolysis, energy is released and ATP is transformed into adenosine diphosphate.
When ATP degrades, which phosphate is released?Adenosine diphosphate (ADP), a version of the nucleotide with only two phosphates, is created when the outermost phosphate of ATP is removed to give energy. By adding a phosphate group to another molecule, ATP can change another molecule to power biological processes (a process called phosphorylation).
How does ATP release energy that living cells can utilize?The ATP molecule splits off one of its three phosphates when a cell has to expend energy to complete a task, resulting in the formation of ADP (Adenosine di-phosphate) + phosphate. It is now possible for the cell to use the energy that was previously bound to that phosphate molecule to carry out its operations.
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Describe the subunits and structures of the three types of cytoskeletal fibers and give at least one function of each.
Subunits and structures of the three types of cytoskeletal fibers are microfilaments, microtubules, and intermediate filaments.
Microfilaments help to create the forces used in cellular contraction and basic cell movements. They are also involved in cellular movement that includes contraction and cytokinesis .
Microtubules are involved in many functions that include assembly of mitotic spindle, in dividing cells, or axon extension inside neurons. They are also responsible for determining shape of the cell .
Intermediate filaments are involved in structural role by providing mechanical strength to cells and tissues. They are basically involved in the movement of the cell and generally found in hair , scales and finger nails .
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interpret the chemical formula for the organic compounds: carbohydrates, lipids, and proteins
The chemical formulae for carbohydrates is Cx(H2O)y, for lipids is CH3(CH2)nCOOH , and for proteins is RCH(NH2)COOH.
Carbohydrates are the polyhydroxy aldehydes or ketones. In simple terms, they are also called hydrates of carbon. The carbohydrates have three classes: monosaccharides, disaccharides and polysaccharides. The carbohydrates can have structural, nutritional or energy giving functions in the body.
Proteins are the polymers of amino acids. The primary structure of protein is composed of linear chain of amino acids and the sequence of these amino acids is responsible for the further folding of proteins that describes the functionality of the protein.
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How might you model the relationship between a tomato plant and the hornworm catepillar?
The relationship between the tomato plant and hornworm caterpillar is of parasitism.
Parasitism is the mode of nutrition where an organism lives in close association with another organism. One organism is benefitted from this association and is called the parasite. And the person who gets harmed in this is called the host. The parasite may live on the outer surface of the host or even inside the body.
Hornworm caterpillar belongs to the family Sphingidae. The caterpillar has a horn-like tail and hence the name. The caterpillar specially lives on the tomato plant and feeds on its leaves. It can eat the leaves to such an extent that the plant may become completely defoliated. Hence they have a parasitic relation.
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how is carbon dioxide produced in cells removed from our body?
Answer:
In the human body, carbon dioxide is formed intracellularly as a byproduct of metabolism. CO2 is transported in the bloodstream to the lungs where it is ultimately removed from the body through exhalation.
Give a good Explanation and I Will Give Brainiest
Is the coloring of the peppered moths an example of competition, differential reproductive success, or inherited variation? Explain why.
The coloring of the peppered moths is an example of the differential reproductive success that leads to an increase in the frequency of certain phenotypes in a population.
What is differential reproductive success?The term differential reproductive success makes reference to certain phenotypic features that may be considered adaptive in a given environment and therefore lead to higher reproductive fitness in the individuals that carry them.
The coloring of pepper moths indicates that they are more able to survive in environments having the same or similar colors in order to avoid the presence of predators that decrease their ability to survive and reproduce.
Therefore, we can conclude that differential reproductive success is the cause that explains why peppered moths have differential colors in industrial environments in order to avoid predators that decrease their ability to survive and reproduce in such environmental conditions.
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What type of solution is my gummy bear in ? Isotonic, hypertonic , or hypotonic ?
Prediction :
Claim :
Evidence :
Reasoning (Justification of claim):
Quantitative:
Qualitative:
Answer:
Hypertonic is your answer thanks me later✌️
Botanical keys use (blank) contrasting statements which you must choose the most correct one. Enter a numerical answer.
Answer:
The keys are taxonomic literature based on the contrasting characters generally a pair called couplet.
Which of the following is the best description of the music Mussorgsky wrote to accompany the Gnome?
A. Dark, choppy, dynamic contrasts
B. Long flowing phrases
Answer: A. Dark, choppy, dynamic contrasts
The LED light source does not get hot. Explain why it is important that the pondweed remains at a constant
temperature?
The LED light source does not get hot because
Temperature affects rate of photosynthesis or rate of bubble production.Reaction or photosynthesis is controlled by enzymes.What is the LED explain?LED stands for Light Emitting Diode. LED lights produce light up to 90% more efficiently than incandescent bulbs. An electric current is passed through the microchip, which illuminates small light sources that we call LEDs, resulting in visible light. Compared to conventional light sources, which first convert electrical energy into heat and then into light, LEDs (light-emitting diodes) convert electrical energy directly into light, producing efficient light with little wasted electricity.
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Prey animals are...
A. mutualistic.
B. carnivores.
C. captured and eaten.
Answer:
Explanation:
answer C. Captured and Eaten
Reason: B. Carnivores are meat and hunt for prey and A: are things that help each other out
Philippines depends primarily on fossil fuels as a main source of energy in different mode of transportation. Since this source is a nonrenewable, it means there will be a time that it will perish. As a STEM student, what can you do or suggest to solve this problem?
Improve the research area in renewable sources of energy and find ways to utilize nonrenewable sources of energy optimally.
Philippines depends primarily on fossil fuels as a main source of energy in a different modes of transportation. One solution to reduce the consumption of nonrenewable sources of energy is using electrical vehicles. Since electrical vehicles require battery power which works on electricity.
Although electrical energy is a clean resource it can be created using both fossil fuels and renewable sources. By producing electricity through renewable sources of energy we can reduce the consumption of fossil fuels. It means there will be a time that it will perish.
Also using fossil fuels optimally can increase the availability time of the fuels on a big scale. Hence renewable sources are the alternative.
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Which option describes a step in designing an experimental investigation?
O A. Identifying the variables that will be controlled for all experimental groups B. Writing a procedure that prevents other scientists from repeating the results C. Making sure that the hypothesis will be supported and not refuted O D. Collecting each piece of data in a different way so that there is more variety
Answer:
a
Explanation:
because i studied like tht
Answer:
A. identifying the variables that will be controlled for all experimental groups
Explanation:
it is ;)
energy that is not connected to useful energy is usually given off as
Answer:::::::::::::: heat
Answer:
The energy not converted to sound energy (ability to do work) is usually given off as heat.
Explanation:
Which of the following is NOT a prokaryote?
A. Fungi
B. E. Coli
C. Archaea
Answer:
Fungi
Explanation:
it is a eukaryote
Which is not a prokaryote?
In the given options, Saccharomyces is not a prokaryote as it is a fungus and hence a eukaryote. They have a well-defined nucleus and membrane-bound nucleus.
The concentration of solutions is measured in a unit called moles (M). Now that you know this, use the picture to answer questions #1 - #5. The picture shows a red blood cell floating in a solution in a beaker. The picture also shows the concentrations of salt inside the red blood cell and the concentration of salt in the beaker.
Red blood cells (RBCs) would have a larger solute content outside of them than inside of them if they were detected in a concentrated salt solution.
Osmosis would cause the water to leak out of the cell, causing it to shrivel and stop functioning.
What occurs to red blood cells when they are exposed to a hypertonic solution?A red blood cell will swell up in a hypotonic solution and maybe rupture, but in a hypertonic solution it would shrink, making the cytoplasm thick and its contents concentrated, and may even perish.
Active transport involves the movement of chemicals from a low-concentration location to a high-concentration area in opposition to the concentration gradient. Being "active" means that this process uses energy (usually in the form of ATP).
Due to the diffusion mechanism, which asserts that water flows from a high concentration of water (RBC) to a low concentration of water when a cell is immersed in a concentrated solution (saline water).
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how do humans actions negatively impact water quality that can also impact drinking water
Answer:
They include sedimentation, pollution, climate change, deforestation, landscape changes, and urban growth.
Explanation:
Which of the following is phosphorus not used for?A. LipidsB. ATPC. NucleotidesD. Cell membrane
The correct answer is A. Lipids. Lipids in its simplest form are composed of long carbon chains. Lipids could have a phosporous group, in that case they are phospholipids. Phospholipids are found in cell membrane.
Answer: Cell membrane.
Explanation: