Unit:5 Adaptions and Evolution

Question 1

Physical rather than biological; not derived from living organisms.

Answer 1

Abiotic

Question 2

Relating to or resulting from living things, especially in their ecological relations.

Answer 2

Biotic

Question 3

A variety of organisms in an ecosystem or biome

Answer 3

Biodiversity

Question 4

A dominant community of plants and animals that come to live in an area

Answer 4

Climax community

Question 5

The changing sequence of communities that live in an ecosystem during a given time period

Answer 5

Ecological succession

Question 6

A condition or resource that keeps a population at a certain size

Answer 6

Limiting factor

Question 7

A small or specialized habitat within a larger habitat

Answer 7

Microhabitat

Question 8

first organisms to live in an area

Answer 8

Pioneer species

Question 9

A process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil

Answer 9

Primary succession

Question 10

A process started by an event that reduces an already established ecosystem to a smaller population of species

Answer 10

Secondary succession

Question 11

Ability to maintain ecological processes over long periods of time; ability of an ecosystem to maintain its structure and function over time

Answer 11

Sustainability

Question 12

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

Answer 12

Biome