4.2 Vocab

Front 1

Biotic factor

Back 1

Biological influence on organisms within an ecosystem

Front 2

Abiotic factor

Back 2

Physical or nonliving factor that shapes an ecosystem

Front 3

Habitat

Back 3

The area where an organism lives, including the biotic and Abiotic factors that affect it

Front 4

Niche

Back 4

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

Front 5

Resource

Back 5

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

Front 6

Competitive exclusion principle

Back 6

Ecological rule that states that no two species can occupy the same exact niche in the same habitat at the same time

Front 7

Predation

Back 7

Interaction in which one organism captures and feeds on another organism

Front 8

Symbiosis

Back 8

Relationship in which two species live closely together

Front 9

Mutualism

Back 9

Symbiotic relationship in which both species benefit from the relationship

Front 10

Commensalism

Back 10

Symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed

Front 11

Parasitism

Back 11

Symbiotic relationship in which one organism lives in or on another organism and consequently harms it

Front 12

Ecological succession

Back 12

Gradual change in living communities that follows a disturbance

Front 13

Primary succession

Back 13

Succession that occurs on surfaces where no soil exists

Front 14

Pioneer species

Back 14

First species to populate an area during primary succession

Front 15

Secondary succession

Back 15

Succession following a disturbance that destroys a community without destroying the soil