C. Energy that is the correct answer
Most invertebrates leave their young to fend for themselves while vertebrates help their young till they are ready
3) Nucleic acid contains the genetic code.
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I THINK B NOT SURE BUT I HOPE IT HELPS FROM MY ANSWER GIVE ME BRAINLIST :(?
Answer:
Carrying capacity, the average population density or population size of a species below which its numbers tend to increase and above which its numbers tend to decrease because of shortages of resources.
Explanation:
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