Plants that have nitrogen-fixing bacteria in their roots are called

A) legumes

B) nitrifiers

C) fertilizers

D) ammonias

The clownfish, or anemone fish, performs an dance with the anemone before taking up residence: it touches the anemone's tentacles with different parts of its body until it is acclimated to their host.

The energy found in nutrients originates from the

What is air pressure

Is the Earth prepared to ward off a potential asteroid hit? Why or why not?

What is the depth of oceanic crust

When a cell is not dividing it is said to be resting?

Where in the cell are ribosomes made?

Both external and organization factors shape internal pay structures. a. True b. False

Which of the following describes the solar radiation absorbed by and radiated from earth?

Mutations in DNA are usually caused by chemical or radiation damage to DNA molecules, followed by imperfect repair of the damage. Immediately after this kind of imperfect repair, there may be a mismatched base pair in the DNA.