If female deer mate with male deer that have the largest antlers, we are witnessing selection.
a. disruptive
b. sexual
c. stabilizing
d. random

Which are observations about the tree on the right ,? check all that apply

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?