A polymer is a large molecule made up of many ____. The four categories of biological macromolecules are ___, ___, ___, and ___. carbohydrates, proteins,lipids, and nucleic acids, The type of macromolecule that is used primarily as a source of energy is ___.
Rabbits do not have much of en energy reserve
I think that the correct answer to this question is D .
Answer:
A: Changes in temperature
Explanation:
Hopefully this helps!
The answer is number 2. The whopping crane