The immune system defends your body by:

A. making antibodies.
B. using specific and non-specific defenses.
C. making you sweat.
D. causing you to have allergies.

Explain how light energy is turned into chemical energy? ! due tomorrow!

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?

Procedure in pregnancy to have access to fetus. what do you call this procedure?