What do all wetlands have in common?

A. They are swamps.

B. They lack life-forms.

C. They are highly polluted.

D. They recycle nutrients into the soil.

How much energy do consumers obtain when they eat

Atmospheric nitrogen made usable by nitrogen-fixing bacteria in legume nodules of plant consumed by the rabbit

The citric acid is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. There are eight enzymes involved in the citric acid cycle. Which enzymes produce NADH as a product? Select all that apply a.

How are antigens recognized by immune system cells?

Which claim is supported by significant scientific research?

shorthorn cattle may be red, white, or roan in color. the roan is an intermediate coloration due to a mixture of red and white hairs, and is the result of incomplete dominance.

Describe about development of flat bone.

2. What is an example of fast and dramatic erosion?

because of its structure the cell membrane is known as a phospholipid? a. bilayer b. molecule c. fluid d. barrier

Why do vaccines not protect against all viral diseases?