Chapter 20.1

Question 1

Ecosystem

Answer 1

Biotic and abiotic factors in a environment

Question 2

Equilibrium

Answer 2

Remaining somewhat constant - measured by resistance & resilience

Question 3

Resistance

Answer 3

Ability is remain equilibrium

Question 4

Resilience

Answer 4

Speed of recovery after disturbance

Question 5

Food chain

Answer 5

Linear sequence of energy passing from organisms

Question 6

Food web

Answer 6

Multiple trophic interaction between other species, crossing trophic levels

Question 7

Trophic

Answer 7

Energy, food, eating, nutrition

Question 8

Trophic level

Answer 8

Organisms energy levell/role in a food chain/web

Question 9

Producer

Answer 9

Base of pyramids, autotrophs/photosynthetic organisms

Question 10

Primary consumer

Answer 10

Consumes producers (herbivores)

Question 11

Secondary consumer

Answer 11

Consumes primary consumers (carnivores)

Question 12

Tertiary consumer

Answer 12

Apex, top of chain; Carnivore consuming other carnivores

Question 13

Quaternary consumer

Answer 13

Highest on chain

Question 14

Autotroph

Answer 14

Producers their own food

Question 15

Gross primary productivity

Answer 15

Rate/total amount of photosynthesis production

Question 16

Net primary productivity

Answer 16

Amount of energy after respiration and heat loss

Question 17

Biomagnification

Answer 17

Concentration of toxic substance in organisms increases as the trophic levels is higher

Question 18

Respiration

Answer 18

Organisms exchanging gas with the environment (c02 and oxygen)