6.1 Vocab

Question 1

Habitat

Answer 1

Area where an organism lives including the biotic and abiotic factors that affect it

Question 2

Tolerance

Answer 2

Ability of an organism to survive and reproduce under circumstances that differ from their optimal conditions

Question 3

Niche

Answer 3

Full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions

Question 4

Resource

Answer 4

Any necessity of life, such as water, nutrients, light, food, or space

Question 5

Competitive Exclusion Principle

Answer 5

Principle that states that no two species can occupy the same niche in the same habitat at the same time

Question 6

Keystone species

Answer 6

Single species that is not unusually abundant in a community yet exerts strong control on the structure of a community

Question 7

Symbiosis

Answer 7

Relationship in which two species live close together

Question 8

Commensalism

Answer 8

Symbiotic relationship in which one organism benefits and the other is neither helped nor harmed

Question 9

Mutualism

Answer 9

Symbiotic relationship in which both species benefit from the relationship

Question 10

Parasitism

Answer 10

A symbiotic relationship in which one organism lives on or inside another organism and harms it