ANATOMY

Detailed explanation-1: -life cycle, in biology, the series of changes that the members of a species undergo as they pass from the beginning of a given developmental stage to the inception of that same developmental stage in a subsequent generation.

Detailed explanation-2: -Biological development can be defined as the series of progressive, nonrepetitive changes that occur during the life history of an organism.

Detailed explanation-3: -The zygote undergoes a series of cell divisions (called cleavage) to form a structure called a morula. The morula develops into a structure called a blastula through a process called blastulation. The blastula develops into a structure called a gastrula through a process called gastrulation.

Detailed explanation-4: -Development describes the changes in an organism from its earliest beginnings through maturity.