What is a system of channels, pipes, and tunnels that carries water a long distance?

Which characteristic is shared by the most organisms? Which by the fewest?

Two centuries ago there were more buffalo than cattle in the United States. Even though millions of cattle are killed for beef consumption each year, the cattle population continues to grow while the buffalo are virtually extinct. Why?

Sexual reproduction can be divided into two different types based on which of the following? a. the type of cellular division b. body symmetry c. the location of fertilization d. the presence of male and female animals

Based on the cell theory, which of the following is true? Large organisms have fewer cells than small organisms. Small organisms have smaller cells than large organisms. All living things are made of more than one cell.

An organism that consists of a single cell that does not have a nucleus is called a

Which statement describes a shield volcano

Bacteria and archaea function in the nitrogen cycle

What might a scientist analyze?

Which client is at greatest risk for the development of a venous thrombosis?

Which protist is characterized by a pseudopod? A. euglenoid B. slime mold C. ciliate D. sarcodine