Flash Cards (current)
Games
Teachers

Ecology 3

Test Description: Biomes/populations

Instructions: Answer all questions to get your test result.

1) The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of

Aparasitism Bpredation Cmutualism Dcommensalism

2) What is one difference between primary and secondary succession?

ASecondary succession begins with lichens and primary succession begins with trees BPrimary succession is slow and secondary succession is rapid CSecondary succession begins on soil and primary succession begins on newly exposed surfaces DPrimary succession modifies the environment and secondary succession does not

3) Which biome is characterized by very low temperatures, little precipitation, and permafrost?

Atemperate forest Bdesert Ctundra Dtropical dry forest

4) Which of the following is NOT one of the factors that play a role in population growth rate?

Ademography Bdeath rate Cemigration Dimmigration

5) There are 150 Saguaro cactus plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer?

Agrowth rate Bgeographic distribution Cpopulation density Dage structure

6) The movement of organisms into a given area from another area is called

Aimmigration Bemigration Cpopulation shift Dcarrying capacity

7) Which are two ways a population can decrease in size?

Aimmigration and emigration Blow birth rate and emigration Chigh death rate and immigration Demigration and high birthrate

8) The various growth phases through which most populations go are represented on a (an)

Anormal curve Bexponential growth curve Cpopulation curve Dlogistic growth curve

9) A biotic or an abiotic resource in the environment that causes population size to decrease is a

Acarrying capacity Bgrowth factor Climiting nutrient Dlimiting factor

10) If a population grows larger than the carrying capacity of the environment, the

Adeath rate must fall Bbirth rate may rise Cbirthrate must fall Ddeath rate may rise

*select an answer for all questions

Play Games with the Questions Above

WAIT! Find what you needed?

Still Looking for the Answers? Have Another Question? Play a Review Game with These Questions? Want to Make Your Own Test Like This One?