Question

I have three questions that I can't find anywhere.

19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the:

A. Organisms at the top of the evolutionary tree

B. Generalists

C. Specialists

D. Invertebrates

E. All of the above


20) A major player in the flow of energy through the biosphere is (are) the

A. Atmosphere

B. Magnetosphere

C. Microsphere

D. Bacteria

E. All of the above


22) At least 45% of the solar radiation is:

A. Reflected by dust, clouds and the earth's surface

B. Used to drive the water cycle

C. Involved in photosynthesis

D. Absorbed by the earth and the atmosphere

E. Is a part of the Albedo Effect


I know it looks like a lot, but any help would be much appreciated. I have 54 questions and all of them are very hard. I do my courses through correspondence, so there is no teacher or classmate help. My brain hurts lol.

Answer 1

Thank you!