Animal growth primarily occurs by an increase in the
A) number of tissues and organs.
B) number of cells.
C) types of cells produced.
D) number of cell functions.
E) number of cell shapes.

Question

Quizplus · Accepted Answer

Animal growth primarily occurs through an increase in the number of cells, a process known as cell proliferation. This is fundamental to the development and growth of multicellular organisms.

Animal Growth Primarily Occurs by an Increase in the