____ occurs when a population is too small to sustain its role in biological communities.

A. Ecological extinction
B. Local extinction
C. Biological extinction
D. Natural selection
E. Speciation


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

Discuss the various factors which affect the absorption and emission of photons by a hydrogen atom

What will be an ideal response?

Environmental & Atmospheric Sciences

Freezing rain:

A) requires a layer of cold air near the surface. B) is not associated with temperature inversions. C) leaves the bottom of clouds as supercooled droplets. D) is commonly associated with thunderstorms.

Environmental & Atmospheric Sciences

The world record for the longest period without rainfall occurred in a

A) polar desert. B) sub-tropical desert. C) rain-shadow desert. D) coastal desert.

Environmental & Atmospheric Sciences

What African leader envisioned the political unity of Africa?

A) Nelson Mandela of South Africa B) Jomo Kenyatta of Kenya C) Felix Houphouet-Boigny of Ivory Coast D) Kwame Nkrumah of Ghana E) Robert Mugabe of Zimbabwe

Environmental & Atmospheric Sciences