2.3 -2.4 Quiz

Question 1

Steps of the nitrogen cycle

Answer 1

fixation, assimilation, ammonification, nitrification, and denitrification.

Question 2

Where is nitrogen stored?

Answer 2

Organisms, soil, fossil fuels, the atmosphere, and water

Question 3

How is nitrogen made available to plants?

Answer 3

Bacteria in soil, water, roots, lighting, and humans

Question 4

What is nitrogen assimilation?

Answer 4

Inorganic to Organic

Question 5

How do humans affect the nitrogen cycle?

Answer 5

Fertilizers and fossil fuels

Question 6

Pathway of energy through an ecosystem

Answer 6

Converting light to chemical
Transferring chemical energy
Ultraviolet light to heat energy
Re-radiation of heat energy

Question 7

Primary productivity

Answer 7

The rate at which plants produce biomass

Question 8

Secondary Productivity

Answer 8

Biomass produced by animals

Question 9

Gross primary productivity

Answer 9

total amount of carbon dioxide fixed by plants

Question 10

Flow of energy and matter

Answer 10

Sun -> Co2 H2O -> Plant -> O2 C6H12O6 -> animals - Co2 H2O

Question 11

Net primary productivity

Answer 11

Amount of energy fixed by autotrophs

Question 12

How is carbon fixed in an environment

Answer 12

Photosynthesis

Question 13

Carbon budget

Answer 13

Max amount of carbon to produce without too much global warming

Question 14

Zonation

Answer 14

Gradual change across a landscape

Question 15

Succession

Answer 15

Changes over time

Question 16

Niche

Answer 16

Temp, rain, sun, soil, interaction

Question 17

Primary succession

Answer 17

Stuff wasn’t there before

Question 18

Secondary succession

Answer 18

Stuff was there before

Question 19

Early stage of succesion

Answer 19

Low GPP

Question 20

Middle stage of succession

Answer 20

High GPP

Question 21

Late stage of succession

Answer 21

Ratio of NPP to respiration is equal

Question 22

Steps of the carbon cycle

Answer 22

Photosynthesis, decomposition, respiration, and combustion

Question 23

Where is carbon stored organically

Answer 23

Organisms and fossils

Question 24

Where is carbon stored inorganically

Answer 24

rocks
shells
soil
CO2