Chapter 2

Question 0

Biotic

Answer 0

of, relating to, or resulting from living things, esp. in their ecological relations.

Question 1

Abiotic

Answer 1

physical rather than biological; not derived from living organisms.

Question 2

Predator

Answer 2

an animal that naturally preys on others

Question 3

Herbivore

Answer 3

an animal that feeds on plants.

Question 4

Carnivore

Answer 4

an animal that feeds on flesh.

Question 5

Omnivore

Answer 5

an animal or person that eats food of both plant and animal origin.

Question 6

Producers

Answer 6

An organism that produces photsences

Question 7

Consumer

Answer 7

a person who purchases goods and services for personal use.

Question 8

Biome

Answer 8

a large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.

Question 9

Energy pyramid

Answer 9

An ecological pyramid (or trophic pyramid) is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.

Question 10

Ecosystem

Answer 10

a biological community of interacting organisms and their physical environment.

Question 11

Food chain

Answer 11

a hierarchical series of organisms each dependent on the next as a source of food.

Question 12

Food web

Answer 12

a system of interlocking and interdependent food chains.

Question 13

Biodiversity

Answer 13

the variety of life in the world or in a particular habitat or ecosystem.

Question 14

Trade off

Answer 14

a balance achieved between two desirable but incompatible features; a compromise.

Question 15

Sustainability

Answer 15

the property of being sustainable

Question 16

Fishery

Answer 16

a place where fish are reared for commercial purposes.

Question 17

Plankton

Answer 17

the small and microscopic organisms drifting or floating in the sea or fresh water, consisting chiefly of diatoms, protozoans, small crustaceans, and the eggs and larval stages of larger animals. Many animals are adapted to feed on plankton, esp. by filtering the water.

Question 18

Invasive species

Answer 18

outside their natural distribution area, and secondly, threaten biological diversity.

Question 19

Nonnative species

Answer 19

not being or composed of aborigines; as, the nonnative population of South Africa. Opposite of native.

Question 20

Sustainability

Answer 20

To keep in existence; maintain.To supply with necessities or nourishment; provide for.

Question 21

Trade-off

Answer 21

When you take one thing and get something else out of it.

Question 22

Commensalism

Answer 22

A symbiotic relationship between two organisms of different species in which one derives some benefit while the other is unaffected.

Question 23

Mutualism

Answer 23

An association between organisms of two different species in which each member benefits.

Question 24

Parasitism

Answer 24

The characteristic behavior or mode of existence of a parasite or parasitic population.

Question 25

Symbiosis

Answer 25

close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.

Question 26

Predation

Answer 26

The act or practice of plundering or marauding.