Most bacteria are

A.

microbial predators.

B.

heterotrophs.

C.

symbionts.

D.

photoautotrophs.

E.

chemoautotrophs.

Most of the current human population growth is found in (developed / developing countries

A cross between two plants that have pink flowers produced plants that have red, pink, or white flowers. What is the most likely explanation for these results

The movement of a substance from an area of low concentration to an area of high concentration is called a) osmosis b) diffusion c) passive transport d) active transport

If spaghetti represents a carbohydrate, what organ (s) would chemically digest this macromolecule?

What happens to a ray of light that slows down when it hits a new medium at an angle? A. It dims. B. It brightens. C. It bends. D. It is absorbed.

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?

Athletes often have a very low resting heart rate. what does this tell you about the health of their heart? explain.

Why some nutrients would leave the plant cell?

Is there a mitochondria in a plant