HELPPP What is true about an adaptation?

A. It is a learned trait.

B. An organism is born with it.

C. It prevents reproduction.

D. It harms the organisms.

The answer is: An organism is born with an adaptation. Therefore, the answer is an organism is born with it (B).

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.