Which best describes an organism's niche?

life span

habitat

environment

role

What part of the food chain is the alga?

An elderly woman with a history of coronary bypass comes in with severe, diffuse, abdominal pain. strangely, during your examination, the pain is not made worse by pressing on the abdomen. what do you suspect?

Different species can share the same habitat, but competition among them is reduced if they

Which pair of body systems provide the raw materials that cells need for energy?

All of the following could prevent a genetic trait from becoming an adaptation except: A. The failure of an individual with the trait to reproduce. B. a large change in the abiotic conditions of the environment. C.

Nylon fiber is classified under which one of these headings? A. Protein B. Polyurethane C. Polyester D. Polyamide

What factors influence the growth of organisms and their ability to reproduce?

In trying to differentiate between chronic bronchitis and emphysema, you know that chronic bronchitis: 1. Usually occurs after age 50 and has insidious progressive dyspnea. 2.

The bonds formed when electrons are shared is called a (n) ? A) ionic bond B) hydrogen bond C) covalent bond

TMV destroys chloroplast in a leaf explain how this could affect the growth of the plant