I had to look for the options and here is my answer:
Based on the attached details about the cattle egrets, how an ecologist would explain this expansion is that, a habitat that has been not been occupied by the egrets and the native herons acquired the biotic and abiotic standards <span>of the cattle egret transplants and their descendants. (This is based on the actual option attached to this question.)</span>
No somethings only have one cell. they are called unicellular organisms.
Answer:
Secondary structure proteins folding
Explanation:
Alpha helix and pleated sheets are basically two types if secondary structure of Proteins.
Answer:
Further decrease fossil fuel consumption to 80 percent below current levels by 2050.
Explanation: