Ecology

Question 1

Ecology

Answer 1

The study of interactions between living and non-living things.

Question 2

Biosphere

Answer 2

The portion of Earth that supports life.

Question 3

Primary Producer

Answer 3

All of the green plants and other organisms that produce their own food in an ecosystem.

Question 4

Population

Answer 4

Individual organisms of a single species that share the same geographic location at the same time.

Question 5

Ecosystem

Answer 5

A biological community, such as the coral reef, and all of the abiotic factors, such as the sea water, that effected it make up an ecosystem.

Question 6

Biotic factor

Answer 6

The living factors in an organisms environment.

Question 7

Abiotic Factor

Answer 7

The nonliving factors in an organisms environment.

Question 8

Food chain

Answer 8

A simple model that shows how energy flows through an ecosystem.

Question 9

Food web

Answer 9

A model representing the many interconnected food chains and pathways in which energy flows thrugh a group of organisms.

Question 10

Detritivore

Answer 10

Organisms who eat fragments of dead matter in an ecosystem that return nutrients to the soil, air and water.

Question 11

Trophic Level

Answer 11

Each step in an food chain or web.

Question 12

Biome

Answer 12

A large group of ecosystems that share the same climate and have similiar types of communties.

Question 13

Biomass

Answer 13

The total mass of living matter at each trophic level.

Question 14

Biodiversity

Answer 14

The variety of life in an area that is determined by the number of different species in that area.

Question 15

Niche

Answer 15

The role or position that an organism has in it’s environment.

Question 16

Symbiosis

Answer 16

The close relationship that exists when two or more species that live together.

Question 17

Mutualism

Answer 17

The relationship between two or more organisms that live closely together and benefit from eachother.

Question 18

Parasitism

Answer 18

A symbiotic relationship in which one organism benefits at the expense of another organism.

Question 19

Commensalism

Answer 19

A relationshop in which one organism benefits and the other organism is neither helped nor harmed.

Question 20

Limiting Factor

Answer 20

Biotic and abiotic factors that limit population size

Question 21

Carrying Capacity

Answer 21

The amount of organisms that can be supported by the habitat.

Question 22

Producer

Answer 22

Any organism that can produce its own food.

EX: Plants, algae, and bacteria.

Question 23

Consumer

Answer 23

Organisms that cannot make their own food.

Question 24

Decomposer

Answer 24

An organism that decomposes organic material.

Question 25

Ecological Pyramid

Answer 25

A graphical representation of the energy within the trophic levels of an ecosystem.

Question 26

Community

Answer 26

All the different populations in a ecosystem.

Question 27

Regulation/Conservation

Answer 27

Limits the amount of hunting.

Question 28

Ecological Footprint

Answer 28

The impact of human activities measured in terms of the area of biologically productive land and water required to produce the goods consumed and to assimilate the wastes generated.