Why is the amniotic egg considered an important evolutionary breakthrough?

Vaccinations elicit a primary immune response so that secondary immune responses are rapid and symptoms are mild. vaccinations elicit a primary immune response so that secondary immune responses are rapid and symptoms are mild. a. True b. False

Primary producers are organism that

Many arthropod young do not like adults and do not eat the same food as adults. how would this be an advantage in an environment where food is scarce

Air pressure depends on which of the following? A. frontal systems B. the amount of wind C. the weight of the air D. atmospheric disturbances

What are. Some of nicolaus copernicuses achievments

What is an eruption of ash, cinders, bombs, and gases from a volcano is called?

Describe two properties of an exchange surface that would facilitate rapid diffusion rates

If you were to jog for an hour, which energy storage molecules would your body access?

What cause water to move straight out from the beach even though waves may hit an angle

Where does food go after it leaves the small intestine?