Determining a common ancestor between two species provides information about A.
the evolutionary past
B.
relatedness
C.
rate of reproduction
D.
Both A and B

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called

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?