Unit 2 List 1 Ecology

Question 1

Abiotic factors

Answer 1

Non-Living factors in an enviroment.

Question 2

Autotrophs

Answer 2

Organisms that can create their own food.

Question 3

Biotic Factors

Answer 3

Living factors in an eniroment.

Question 4

Bioaccumulation

Answer 4

The build-up of something inside an organism.

Question 5

Carbon Sink

Answer 5

Anything that absorbs more carbon from the atmosphere than it releases.

Question 6

Carnivore

Answer 6

Organisms that eat only meat.

Question 7

Commensalism

Answer 7

A relationship in which one organism benefits but the other is neither helped nor harmed.

Question 8

Competition

Answer 8

A situation in which two or more people or groups are trying to get something.

Question 9

Consumer

Answer 9

An organism that obtains food by feeding on other organisms.

Question 10

Decomposer

Answer 10

Organisms that break down dead matter.

Question 11

Ecosystem

Answer 11

A community of organisms and their physical environment interacting together.

Question 12

Energy Pyramid

Answer 12

A model that shows the flow of energy from one trophic level to the next.

Question 13

Food chain

Answer 13

A linear sequence of how energy and nutrients move through an ecosystem.

Question 14

Food web

Answer 14

A complex web of interconnecting and overlapping food chains.

Question 15

Habitat

Answer 15

The natural home or environment of a plant or other organism.

Question 16

Herbivore

Answer 16

Organisms that eat only plants.

Question 17

Heterotrophs

Answer 17

An organism that eats other plants or animals for energy and nutrients.

Question 18

Leaching

Answer 18

A process of extracting a substance from a solid material that is dissolved in a liquid.

Question 19

Limiting factor

Answer 19

Anything that keeps a population’s size,slows, or stops it from growing.

Question 20

Mutualism

Answer 20

When both organisms benefit in a relationship.

Question 21

Niche

Answer 21

A place or position for which a person or thing is best fitted.

Question 22

Omnivore

Answer 22

An organism that eats both plants and meat.

Question 22

Ocean Acidification

Answer 22

A change in the properties of ocean water that can be harmful for plants and animals.

Question 23

Parasitism

Answer 23

A relationship in where one organism benefits while the other is harmed.

Question 24

Phytoplankton

Answer 24

Microscopic marine algae that are similar to terrestrial plants.

Question 25

Pioneer Species

Answer 25

The species that first colonize new habitats created by disturbance.

Question 26

Population

Answer 26

A group of organisms of the same species living in the same area at the same time.

Question 27

Predation

Answer 27

A biological interaction where the predator, kills and eats another organism, its prey.

Question 28

Prey

Answer 28

Animals that are killed and eaten by other animals.

Question 29

Predator

Answer 29

Animals that hunt and kill other animals for food.

Question 30

Primary Succession

Answer 30

When a new area of land is populated by a group of species for the first time.

Question 31

Producer

Answer 31

Organisms that make their own food like plants.

Question 32

Secondary Succession

Answer 32

When a climax community is impacted by a disturbance.

Question 33

Species Overshoot

Answer 33

When the capacity of a biome to feed and sustain a population is shot past its limit.

Question 34

Sustainability

Answer 34

The ability of biological systems to remain healthy, diverse, and productive over time.