Which of the following is an example of a fixed action pattern behavior?
a. a robin flying south for the winter
b. a monkey washing a piece of food
c. a cat using a litter box
d. dog rolling over at the sight of a treat

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.

b. heterotroph

explanation:

the answer is c. it will give up it's valence electron to the other atom.