Unit 2, Module 3 Glossary

Question 0

Habitat

Answer 0

The place where an organism lives

Question 1

Ecosystem

Answer 1

All the living organisms and all the non-living components in a specific habitat and their interactions.

Question 2

Biotic factors

Answer 2

All the living factors

Question 3

Abiotic factors

Answer 3

Non-living components of an ecosystem

Question 4

Population

Answer 4

All the organisms of one species that live in the same place at the same time and that can breed together

Question 5

Community

Answer 5

All the population of different species that live in the same place at the same time, and can interact with each other.

Question 6

Niche

Answer 6

The role each species plays in an ecosystem

Question 7

Trophic level

Answer 7

The level at which an organism feed in a food chain

Question 8

Consumers

Answer 8

Living organisms that feed in other living organisms

Question 9

Producers

Answer 9

Autotrophic organisms that convert light energy to chemical energy which they then supply to consumers

Question 10

Abundance

Answer 10

The relative representation of a species within an ecosystem

Question 11

Belt Transect

Answer 11

A form of continuous quadrat sampling along a line

Question 12

Climax Community

Answer 12

A community that has reached an equilibrium with the environment and no longer appears to be changing in composition.

Question 13

Decomposer

Answer 13

An organism that obtains its energy and carbon from the extracellular digestion and absorption of dead or decaying matter

Question 14

Denitrification

Answer 14

The removal of nitrogen compounds from the soil by bacteria

Question 15

Detritivore

Answer 15

An organism that obtains energy by ingesting dead material mixed with inorganic material.

Question 16

Distribution

Answer 16

The arrangement or spread of individuals in a population in an area