Answer:
B: endoskeletons not A cause humans would be beetles then C isnt the answer because then we wouldnt be humans at all
Explanation:
Tolerance range refers to the range of conditions of the external environment an organism is able to withstand. The population size of a certain species can be lowered if conditions are outside optimum range. The population is lowered because the organisms cannot survive if there is too much or too little of a factor.
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For life on Earth, Carbon is essential for life to exist.
Explanation: I took the test
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Answer: C food web
Explanation:
Food web is a system that interlock and interdependent food chain
Are there any answer choices or is it a free response?