Ecosystems

Question 1

What is ecosystem ecology?

Answer 1

The study of interactions between biotic and abiotic components within natural systems

Question 2

A series of organisms that successively eat one another is:

Answer 2

Food chain

Question 3

The depiction of the transfer of energy and atoms is displayed in:

Answer 3

A food web

Question 4

The position an animal has within a food chain is its:

Answer 4

Trophic level

Question 5

List the trophic levels:

Answer 5

Producers
Primary consumers (herbivores)
Secondary consumers(carnivores)
Tertiary consumers (carnivores)

Question 6

The total amount of energy fixed by all autotrophs in an ecosystem is known as:

Answer 6

Gross primary production (GPP)

Question 7

The amount of energy available for consumers to eat is:

Answer 7

Net primary production (NPP)

Question 8

Energy flows in one direction through an ecosystem

True
False

Answer 8

True

Question 9

What is NPP?

A)Net productivity of phosphorus
B)The amount of available nitrogen for plants
C)The amount of energy captured minus metabolic heat

Answer 9

C)The amount of energy captured minus metabolic heat

Question 10

Where is the largest reservoir of carbon in the global carbon cycle?

A)Terrestrial ecosystems
B)Oceans
C)Atmosphere
D)Beneath the surface of earth

Answer 10

B)Oceans

Question 11

Excess nitrogen and phosphorous in water can lead to

Answer 11

Eutrophication (low O2 available for aquatic organisms)

Question 12

The atmosphere is mostly made up of nitrogen gas

True
False

Answer 12

True

Question 13

What is nitrogen fixation?

Answer 13

The conversion of atmospheric nitrogen to ammonia