Test for Module 3

Question 1

A limiting factor that depends on population size is called

Answer 1

density-dependent limiting factor

Question 2

Includes the lakes, rivers, ponds, and streams of the earth.

Answer 2

freshwater

Question 3

A series of steps in which organisms transfer energy by eating and being eaten

Answer 3

food chain

Question 4

Includes oceans, reefs, and estuaries

Answer 4

marine

Question 5

Ann organism that eats secondary consumers

Answer 5

tertiary consumer

Question 6

When released in large quantities into the atmosphere, what gas do some scientists believe may be responsible for the greenhouse effect?

Answer 6

carbon dioxide

Question 7

An organism that eats tertiary consumers

Answer 7

quaternary consumer

Question 8

This area has permanently frozen soil that does not allow for the growth of large plants.

Answer 8

tundra

Question 9

An interaction in which one organism benefits from the relationship and the other organism is harmed.

Answer 9

parasitism

Question 10

Which organisms are responsible for removing carbon (in the form of carbon dioxide) from the atmosphere?

Answer 10

plants, algae, and photosynthetic bacteria

Question 11

This area is usually dominated with tree species that shed their leaves in winter months.

Answer 11

temperate deciduous forest

Question 12

This area receives very little rainfall, and usually experience very hot days and cold nights

Answer 12

desert

Question 13

What is the process of removing carbon from the atmosphere called?

Answer 13

photosynthesis

Question 14

An interaction in which one organism benefits from the relationship and the other organism is unaffected.

Answer 14

commensalism

Question 15

An organism that eats producers

Answer 15

primary consumer

Question 16

An interaction in which both organisms benefit from the relationship

Answer 16

mutualism

Question 17

A type of grassland biome that experiences rainy seasons and long periods of drought.

Answer 17

savanna

Question 18

This area is dominated by conifer trees and short summers

Answer 18

tiagas

Question 19

This biome is usually located near the equator. Characteristics include high rainfall amounts, dense vegetation, and poor soil quality.

Answer 19

tropical rainforest

Question 20

The number of individuals of a single species per unit is known as

Answer 20

population density

Question 21

An interaction in which one organism kills and eats the other organism.

Answer 21

predation

Question 22

What other way can carbon dioxide be removed from the air?

Answer 22

dissolved in the ocean

Question 23

In the process of ecological succession, the first organisms are called ___ and the final community that exists in the ecosystem is called ___.

Answer 23

pioneer organisms; climax community

Question 24

Ann organism that eats primary consumers

Answer 24

secondary consumer

Question 25

Organisms that produce their own food

Answer 25

producers