Ecology

Question 1

Biomass

Answer 1

Total amount of living tissue within a given trophic level

Question 2

Limiting nutrient

Answer 2

An ecosystem is limited by a single nutrient that is scarce or cycles very slowly

Question 3

Biotic Factor

Answer 3

Biological influence on organisms within an ecosystem

Question 4

Abiotic Factor

Answer 4

Physical or nonliving factors that shape ecosystems

Question 5

Niche

Answer 5

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

Question 6

Symbiosis

Answer 6

Any relationship in which two species live closely together

Question 7

Mutualism

Answer 7

Both species benefit from the relationship

Question 8

Commensalism

Answer 8

One member of the association benefits and the other is neither helped or harmed

Question 9

Primary Succession

Answer 9

Succession that occurs on surfaces where no soil exists

Question 10

Secondary Successions

Answer 10

Restoring the ecosystem after disturbance

Question 11

Ecological Succession

Answer 11

Series of predictable changes that occurs in a community overtime

Question 12

Primary Productivity

Answer 12

The rate at which organic matter is created by producers

Question 13

Denitrification

Answer 13

Other soil bacteria convert nitrates into nitrogen gas

Question 14

Food web

Answer 14

Network of complex interactions

Question 15

Food chain

Answer 15

Energy stored by producers can be passed through an ecosystem