The community along with the biotic and abiotic factors makes the ecosystem. In the ecosystem, 10% of the energy primary consumers absorb is lost as heat. Thus, option D is correct.
What is an ecological pyramid?An ecological pyramid is the graphical presentation of the organism and the flow of energy at each trophic level. The trophic level constitutes the producers and the consumer.
The flow of energy follows the 10% energy rule where each trophic level loses and gains only a certain amount of heat. The heat is lost as excretory products in the environment.
The maximum amount of energy is gained by producers which passes to the primary consumers (10%), secondary consumers (1%), and the upper trophic level.
Therefore, option D. primary consumers absorb only 10% of energy.
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Which of the following processes are involved in the loss of water from the leaves of plants?
1 diffusion
2 osmosis
3 condensation
4 evaporation
A 1 and 3
B
1 only
C 4 only
D 1 and 4
Answer:
D
Explanation:
What is the best way to test a hypothesis? by completing research by designing and performing an experiment by having a scientist make an educated guess by creating a spreadsheet to organize your data
Answer:
by designing and performing an experiment
Explanation:
The scales shown in the introduction measure mass,or the amount of matter in a particular object.The scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. Did the simulation support this scientific law? Explain why or why not.
The simulation supports the scientific law : I.e TRUE
The scientific law of conservation of massThe scientific law of conservation of mass states that the mass of a substance remains the same in a closed system as the substance/matter undergoes a chemical reaction. during chemical reaction the matter changes from one form to another. Therefore measuring the mass of matter in an object before it undergoes a chemical reaction support the scientific law as the mass of reactants is equal to mass of product.
Hence we can conclude that the simulation supports the scientific law : I.e TRUE.
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Students are modeling mrna during the process of protein synthesis
The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.
How, explain briefly?Protein synthesis which encompasses how gene is used to synthesize proteins consists of two processes namely; transcription and translation.
- Transcription is the process whereby the sequence of a DNA template is used to synthesize a mRNA strand. The mRNA sequence is synthesized using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine base (A) will always hydrogen pair with Thymine (T) while Guanine (G) will always pair with Cytosine (C).
Thus,This means that the mRNA strand produced is complementary to the DNA template strand that was transcribed. However, Uracil base (U) replaces thymine (T) in the mRNA molecule because Thymine is not found in RNA. Hence, Uracil instead of Thymine pairs with Adenine in the mRNA.
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Name the type of connective tissue that anchors the ribs onto the sternum.
Hyaline cartilage makes up the costal cartilage that holds the ribs to the sternum. The most prevalent form of cartilage in the body is hyaline cartilage.
What is hyaline cartilage?On the articulating surfaces of bones, in the larynx, trachea, and bronchi, as well as on the sternal ends of the ribs, hyaline cartilage is present. It imparts a rigid yet malleable form to the constructions.
Hyaline structures are connective tissues that anchor the ribs onto the sternum. Such structures and joints are robust because collagen fibers are present, but their mobility and flexibility are constrained. To reduce friction and provide cushioning at the joint surface, articular cartilage, also known as hyaline cartilage, covers the ends of bones.
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Which of the following is an example of a response to a stimulus?
The pupil of one eye decreases in size when it is shined with a bright light.
A leaf absorbs sunlight in the morning.
the water level of a pond rises on a rainy day
A dead tree rots after many years.
Answer:
A
Explanation:
I think it is A, I'm not very sure
Some studies have shown that peppermint odor increases people’s mental sharpness, especially when they solve math problems. Which best describes how this could be a valid scientific claim?
if it is tested in a controlled setting with repeated results
if the test is published on Wikipedia
if the scientist was previously peer reviewed
if the math problems are easy problems
The claim could become valid scientifically if it is tested in a controlled setting with repeated results. The correct option is the first option.
Scientific validityA statement without any experimental test is considered a hypothesis in science.
In order for tentative statements to become valid scientific claims, they must be tested experimentally in a controlled setting with the resulting data supporting the claims. The data must also be reproducible by independent researchers.
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Answer: A: If it is tested in a controlled setting with repeated results
Explanation:
I just took the quiz on Edge.
Hope this helps!!!!!
A researcher proposes a model of an enzyme catalyzed reaction
A researcher proposes a model of an enzyme-catalyzed reaction in which a reactant is converted to a product.
What is enzyme catalysed reaction?Enzyme catalysis is the increase in the rate of a process by a biological molecule, an "enzyme". Most enzymes are proteins, and most such processes are chemical reactions. Within the enzyme, generally catalysis occurs at a localized site, called the active site.
The model is based on the idea that the reactant passes through a transition state within the enzyme-substrate complex before the reactant is converted to the product.
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how do the changes in the red blood cells impact homeostasis
Answer:
Red Blood Cell Homeostasis: Mechanisms and Effects of Microvesicle Generation in Health and Disease. Red blood cells (RBCs) generate microvesicles to remove damaged cell constituents such as oxidized hemoglobin and damaged membrane constituents, and thereby prolong their lifespan.
Why are fats a better source of energy than carbohydrates on a per carbon basis?.
Fats are a better source of energy than carbohydrates on a per carbon basis because one triglyceride molecule yields three fatty acid molecules.
What is Fat?
This is an important energy source in the body and is usually stored in the body under adipose tissues.
They contain triglyceride with as much as 16 or more carbons in each one which helps to generate energy in a slow and efficient manner.
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Hundreds of years ago, which of the following did doctors believe was a major cause of disease?
Answer: Bacteria.
Explanation: That was why penicillin was manufactured, because doctors believed bacteria was a major cause of diseases.
Hope this helpsWhich action has a positive effect on air resources?
using fossil fuels
building new homes
walking to work or school
removing vegetation such as trees
Answer:
Person above me or below me is correct :)
Explanation:
The answer is C !!
- Have a good summer :)
Utilising fossil fuels has a detrimental impact on air quality because they produce dangerous pollutants like carbon dioxide and nitrogen oxides when they are burned.
What are the contaminants linking to the air pollution ?These contaminants are linked to higher air pollution levels, which can lead to a variety of health problems, such as heart disease and respiratory disorders. The effects of new house construction on air resources are complex.
On the one hand, since burning fossil fuels for energy and releasing building materials can result in the emission of hazardous chemicals, construction may increase air pollution. On the other side, if new homes are constructed in places with fewer air pollution, as in rural regions, they may result in better air quality.
A benefit of walking to work or school an advantage for air resources. Walking does not emit any pollutants into the air, making it a zero-emission mode of transportation.
Additionally, walking lessens traffic on the roadways, which can lessen vehicle-related air pollution. Air resources may suffer if trees or other vegetation are removed. By providing shade, trees not only assist to filter airborne pollutants, but they also help to chill the air. Because air pollutants are not being filtered out as well when trees are cut down, this might result in higher air pollution levels.
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This space station has plants growing inside it, and astronauts who eat the fruits and vegetables from those plants. Because it is in space, the station is sealed so no material can get in or out.
The space station is in Earth’s shadow, so no light is getting into it. The sensors in the space station show that carbon dioxide in the air is increasing.
What is happening to the energy storage molecules in the plants and humans in the space station? Explain your answer as completely as possible.
SOMEONE PLEASE HELP ME WITH THIS QUESTION!!!
IT'S DUE IN 15 MINUTES
Cara set the following goal for herself:
I want to be a good softball player.
Please describe the effectiveness of Cara's goal in two to three complete sentences using the MAD goals concept.
The effectiveness of Cara's goal can be achieved using the MAD goals concept when her idea is Measurable, Attainable, and have a Deadline.
What is the Mad goals concept?The MAD Goals are:
MeasurableAttainableDeadline.They should be measurable so students can know if they are making progress towards their goals. They should be attainable because there is no sense in having goals that can never be reached. They should have a deadline so that the student will feel some urgency to reach the goal.
The effectiveness of Nolan's goal can be achieved using the MAD goals concept when her idea is Measurable, Attainable, and have a Deadline. When the cancer donations falls within the defined steps above, she can be able to attain her goal.
Thus, this could be the answer.
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List all the categories humans belong to starting with life and ending with species name.
List all the categories humans belong to starting with life and ending with species name.
1. life
2. eukarya
3. animalia
4. chordata
5. mammals
6. primates
7. hominid
8. homo
9. sapiens
Just in case anyone needed it!!
The categories can be ordered as life, Eukarya, Animalia, Chordata, Mammalia, Primates, Hominid, Homo, sapiens.
What is classification?Classification is the ordering of organisms based on the similarities in their characteristics.
In case of humans the categories includes:
Kingdom – Animalia.Phylum- Chordata.Class- Mammalia.Order – Primates.Family – Hominidae.Genus – Homo.Species – sapiensThus, this is the categories humans belong to starting with life and ending with species name.
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How does heart failure affect the circulatory system
Answer:
Your heart may not be strong enough to pump out as much blood as your body needs.
Explanation:
As it tries to move more blood, your heart gets larger. It also pumps faster, and your blood vessels narrow to get more blood out to your body.
A person cannot produce several types of lipases and amylases. name a problem this individual would have and explain why.
A person cannot produce lipases and amylase due to mutations in the genes that encode enzymes required to break down fats and starch.
What are lipases and amylase?Lipases and amylase are two types of enzymes required to break down fats and starch, respectively.
Mutations in the genes that encode these enzymes may lead to the production of defective proteins.
In conclusion, a person cannot produce lipases and amylase due to mutations in the genes that encode enzymes required to break down fats and starch.
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What is coral bleaching? Do you think
coral bleaching will continue to occur? Explain
why is mushroom known as a type of fungi
Explanation:
Mushrooms are fungi. They belong in a kingdom of their own, separate from plants and animals. Fungi differ from plants and animals in the way they obtain their nutrients.
The diploid number of chromosomes in humans (homo sapiens) is 46 and the diploid number of chromosomes in rice (oryza sativa) is 24. What does this indicate about diploid chromosome numbers?
For humans, the diploid chromosome number equation is 2n = 46 because humans have two sets of 23 chromosomes The diploid chromosome number varies by organism and ranges from 10 to 50 chromosomes per cell.
What is Mitosis?Mitosis is a type of cell division that occurs in somatic or body cells. In mitosis, and a cell undergoes division to produce two daughter cells each with the same number of chromosome as the parent cells.
Mitosis produces diploid cells and diploid cells are cells that have the same number of chromosomes as the parent cell.
Thus, The diploid chromosome number varies by organism and ranges from 10 to 50 chromosomes per cell.
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anyone know good studying tips?
If your teacher gives a study sheet then study that everyday for 30min or 20min or you can go on a web called quizlet and write the study set you want and they might have it. Or if its on a person just study the person on the web. On wikipedia or other resources with good info on the person.
Which of the following pieces of information CANNOT be determined from the fossil record?
Answer:
Evidence of every species that ever existed.
Explanation:
Select the correct label on the image.
An ecological pyramid shows the transfer of energy. Which level will contain only 0.1% of the total energy obtained from the Sun?
5 kcal
hawk
50 kcal
snakes
500 kcal
mice (rats)
5000 kcal
plants
Biomass (energy) pyramid
Reset
Next
Tertiary consumers receive only 10% of the energy consumed by secondary consumers.
What is secondary consumer?The secondary consumers are meat-eating organisms (carnivores) that consume the primary consumers. Secondary consumers are typically larger and more numerous. All the way to the top of the food chain, this goes on.
This is due to the fact that secondary consumers expend the majority of their energy on growing and reproducing. As a result, tertiary consumers only receive 0.1 percent of the Sun's total energy.
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identify structure 1 and describe its main function.
identify structure 3 and describe its main function.
Structure 1 is the "cell wall"
Cell wall functions are:-
1. Provide support and limited plasticity.
2. Prevent loss of water
3. Protects from insects and pathogens
4. Prevent over expansion caused by too much water
5.Keep the shape of the plant
6. Allow plants to grow to great heights.
Structure 2 is the "vacuole"
vacuole functions are as follows:-
1.The main function of vacuoles is the storage of many important molecules like amino acids, sugars, various organic acids, and some proteins.
2. In plants, the vacuoles are very large in size and filled with cell sap that helps to maintain the trugidity and rigidity of the cell.
What is the name of the people who have long inhabited northern norway, sweden, and finland?.
Answer:
The Sámi people are an indigenous people of Northern Europe inhabiting Sápmi, which today encompasses northern parts of Sweden, Norway, Finland and the Kola Peninsula of Russia.If this helps mark me brainliest.Thanks.
During respiration, what do consumers such as animals release?.
Answer:
carbondioxide
Explanation:
during respiration consumers release carbondioxide an inhale oxygen
Which of the following elements have the highest percentage in terms of frequency in the Earth's crust and human body, respectively? A. Nitrogen, Oxygen B. Oxygen, Silicone. C. Carbon, Oxygen. D. Oxygen, Oxygen
Answer
The most abundant elements in the human body are oxygen, carbon and hydrogen. Oxygen makes up 65% of the body.
Answer:
Oxygen as it makes up 65% of the body
Which is not an example of matter and energy cycling through living things?
A wind blowing would be the right solution, as it's not an example of which value and energy cycling's happening through living items. Mortal sitting vegetables involve energy transfer between diverse trophic levels.
Which tissue type
contain neurons
and glial cells and
transports nerve
impulses across
the body?
A. Epithelial tissue
B. Nervous tissue
C. Connective tissue
D. Muscular tissue
Answer:
(B) Nervous tissue
Explanation:
Nervous tissue consists of two cells: nerve cells or neurons and glial cells, which helps transmit nerve impulses and also provides nutrients to neurons.
Answer:B
Explanation:Nervous tissue is found in the brain, spinal cord, and nerves.
Nervous tissue contains two major cell types, neurons and glial. Neurons are the cells responsible for communication through electrical signals. Glial cells are supporting cells, maintaining the environment around the neurons.
ponds were constructed for the purpose of
Answer:
Ponds are used for breeding grounds for these species but also as shelter and even drinking/feeding locations for other wildlife.
Answer:
There is some ponds are constructed for the production of HEP Hydroelectric power,or as the water catchment area in flooded areas.