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>
The most common cause of anemia is iron deficiency.
(C) both cure and prevent disease among entire population of animals.
Answer:
Ectoderm
Explanation:
Of the three primary germ layers in the very early embryo, the ectoderm is the one that gives place to the epidermis (epidermic skin cells).
The mesoderm will develop into muscle and bone, while endoderm turns into the lungs, stomach and other organs.
Answer:
Digestion including hydrolysis
Explanation:
In the process of digestion, bigger food molecules are broken down into smaller macro molecules. These macro-molecules in later stage are absorbed or accumulated by cell and further broken down to release energy. It is during the process of hydrolysis,
Where big macro-molecules are broken into smaller polymers and further into monomers thereby releasing energy. This chemical process is assisted by an enzyme in the presence of water molecules.