The Answer is A Birds because birds use eggs not sex
Answer:
11. The behaviors and physical characteristics of species that allow them to live successfully in their environment are called adaptations.
Explanation:
Adaptations <em>are a process that organisms go through to become better suited for their environment to help them be better suited to survive.</em>
I believe that the answer is D. If something has evolved, it can not interbreed with its old species. I think this is right!
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Amino acids are the basic building blocks of the body. They are also sources of energy, like fats and carbohydrates. However, amino acids<span> are structurally characterised by the fact that they contain nitrogen (N), whereas fats and carbohydrates do not.
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The importance of amino acids as the precursors of enzymes and neurotransmitters<span> is often underestimated. As such, amino acids regulate almost all of the metabolic processes in the human body, and they are essential for a healthy body.</span>
