Individual A’s 23rd pair of chromosomes is XX. Individual A is _____.

_____ is the thick, high-calorie fluid that is secreted by a new mother’s breasts in the days immediately following birth.

Any consequence that follows a behavior and makes a person likely to repeat that behavior is called a(n) “_____.

The ______ is composed of the ethmoid bone and vomer.

Tissue death is called:

A cation is positive.

Body weight is stable when average daily energy intake and output are equal. 

What is the red arrow pointing at?  

Name the hole in the skull.

Name the specific structure pointed to by the black arrow.