All other organs, ducts, and glands in the reproductive system are considered secondary, or accessory, reproductive organs. These structures transport and sustain the gametes and nature the developing offspring.
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<span>Carbon is the only element that can form many different compounds. Each carbon atom can form four chemical bonds to other atoms. This allows it to form rings and chains.</span>
Answer:
A chain sequence of amino acids..
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A. animal can fly; AA. animal can't fly. That should be the correct answer. I hope that this helps you!
