The superior and inferior vena cava return blood from the body to which chamber of the heart?

a. left atrium

b. left ventricle

c. right atrium

d. right ventricle

Which statement accurately describes an aspect of human reproduction A. An adult female usually releases an egg from an ovary each month B. A male is born with all the sperm cells he will produce in his lifetime C.

In 3-5 sentences, describe how paleomagnetic evidence supports the theory that continents change position (drift) over time.

The most basic level of ecological organization is a (n) A. biosphere B. individual C. ecosystem D. population

What are foraminifera shells, the most abundant biochemically precipitated pelagic sediment, made of?

One reason common names are not useful to biologists is that they ... A. are in Latin. B. can apply to more than one animal. C. are too long. D. require the use of a dichotomous key. what is the answer nd why?

Describe how traits are passed from parent to offspring

Between which two letters does mitosis occur

T or f Active immunity is passed on from a mother to her baby.

The scientific theory that describes the beginning of the Universe is called the Expanding Universe Theory Contracting Universe theory Big Bang Theory Oscillating Universe Theory

Chemicals that kill bacteria or slow their growth are called