. Babies with very low or very high birth weight are less likely to survive. The graph shows the percentage of babies
born at different weights.

Which statement is a valid claim that could be made using the data in the graph?
Directional selection is occurrina because the araph favors an extreme.

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.

trachea, alveoli, lung capillaries, arteries