Vocab

Question 1

Mutualism

Answer 1

Both Benefit

Question 2

Commensalism

Answer 2

1 benefits and 1 is not hurt of benefit.

Question 3

Primary succession

Answer 3

primary succession happens when a new patch of land is created or exposed for the first time.

Question 4

Secondary succession

Answer 4

Secondary succession happens when a climax community or intermediate community is impacted by a disturbance.

Question 5

Gross primary productivity

Answer 5

Gross primary productivity is the amount of carbon fixed during photosynthesis by all producers in the ecosystem.

Question 6

Net primary productivity

Answer 6

The amount of carbon retained in an ecosystem; it is equal to the difference between the amount of carbon produced through photosynthesis and the amount of energy that is used for respiration.

Question 7

Biomagnification

Answer 7

concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed

Question 8

Biogeochemical cycle

Answer 8

the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth’s crust.

Question 9

CHNOPS

Answer 9

Carbon, Hydrogen, nitrogen, oxygen, phosphorus, sulfur

Question 10

Carbon sink

Answer 10

anything that absorbs more carbon from the atmosphere than it releases

Question 11

Carbon store

Answer 11

natural ability of life and ecosystems to store carbon.

Question 12

Carbon source

Answer 12

a carbon-containing molecule that is used by an organism to synthesise biomass

Question 13

Nitrogen cycle

Answer 13

nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems.

Question 14

Eutrophication

Answer 14

process in which nutrients accumulate in a body of water, resulting in an increased growth of microorganisms that may deplete the water of oxygen. Eutrophication may occur naturally or as a result of human actions.

Question 15

Species richness

Answer 15

Species richness is the number of different species represented in an ecological community, landscape or region.

Question 16

Relative abundance

Answer 16

Relative species abundance is a component of biodiversity and is a measure of how common or rare a species is relative to other species in a defined location or community.

Question 17

Species evenness

Answer 17

Species evenness describes the commonness or rarity of a species; it requires knowing the abundance of each species relative to those of the other species within the community. Abundance values can be difficult to obtain.