The role of an organism in the ecosystem is called its

A. niche

B. habitat

C. species

D. environment

Which of the following is the best definition of an atom? O A. A positively charged particle 3. A negatively charged particle C. The basic unit of all living things O D. The basic unit of matter

What materials are filtered from the blood in the kidney

How would you explain to an athlete why damaged joint ligaments and cartilages are so slow to heal following an injury?

A synonym for a bluish-purplish mark on the skin (bruise) is

Which of the following are warning signs of a volcanic eruption?

When changing lanes, you should: A. Adjust your speed to match traffic in the new lane B. Move over several lanes at once C. Wait until you're at an intersection to perform the maneuver

Which structure does this organism use for movement? a. cilia b. contractile vacuole c. flagella d. pseudopodia?

How does cell division differ in plant cells and animal cells?

Air pollution can be controlled by A.) permitting more storm runoff B.). Burning more coal C.). Eliminating sewage D.) putting scrubbers on power plants

consider the structure and function of fats to predict which animal would have more fat: one that live close to the poles or one that lives close to the equator?