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Step2247 [10]
3 years ago
5

Corals and the algae that live in coral polyps have a special relationship. Each contributes something that the other needs to s

urvive. This is an example of
Biology
1 answer:
Aleks [24]3 years ago
5 0
It would be an example of commensalism
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Which molecule is secreted from the peritubular capillary network into the convoluted tubules?
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The correct answer is  H+.
<span>Secretion from the peritubular capillary network into the convoluted tubules is a process called tubular secretion. This is an important process for both waste removal and acid-base balance. The secretion step is usually used to remove drugs, toxins, and poisons, or other molecules such as potassium (K+) and hydrogen (H+). The secreted molecules come from the peritubular capillaries and pass through the interstitial fluid before going through the wall of the tubule into the lumen of the tubule.</span>
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3 years ago
How does natural selection differ from selective breeding?
givi [52]

Answer:

natural selection is natural, selective breeding is not. Natural selection is when the best genes are passed down. Selective is when the best of an animal group are forced to mate

Explanation:

6 0
2 years ago
Sara is studying the human skeletal system. Her classroom has a model skeleton. What main advantage does a model skeleton have o
frosja888 [35]

Answer:

A scientific model is a representation model for a certain scientific concept. Scientific models make it easier to study a phenomenon as they tend to model out the exact phenomenons.

A drawing of an skeleton would be unclear as the children might not be able to locate certain features in the drawing. For example, a certain joint could be missed by the teacher in the drawing or the child might not exactly be able to locate where the joint or bone is present.

But as the model will be more real to the actual skeleton system hence, studying through a skeleton will make it a lot easier to study the human skeletal system.

6 0
3 years ago
What is the most likely reason the bones of the reptiles were found on more than one continent
PolarNik [594]

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Explanation:

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3 years ago
Independent variable:
Leokris [45]

IV: 4 types of nail polish

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