Assertion Growth curve of higher animals is sigmoid.
Reason Absolute growth is the difference between initial and final weight/size of an organism.

Answer

B

Explanation

Growth curve is the graphic representation of the growth of a living organism. Growth curve of higher animals, including man, is S-shpaed and is called sigmoid growth curve. The difference between the intial and final weight (or size) of an individual in a given period of time is called absolute growth.