6th Grade Chapter 25

Organisms and Their

Environment

EcosystemArea where living things interact with each other

and the environment

Ecosystem

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• ecosystem

Biotic Factor

The living part of an ecosystem

Biotic

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• Biotic factor

• Ecosystem

Abiotic factorThe nonliving part of an ecosystem such

as air, soil, and water

Abiotic Factors

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• Abiotic factor

• Biotic factor

• Ecosystem

population

A group of individuals of the same species living

in a particular area

Population

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• Population

• Abiotic factor

• Biotic factor

• Ecosystem

niche

The specific role of an organism in its

habitat

nicheniche

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• Niche

• Population

• Abiotic factor

• Biotic factor

• Ecosystem

communityTwo or more groups of

different organisms that live and interact in

the same area

Community

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• Community

• Niche

• Population

• Abiotic factor

• Biotic factor

• Ecosystem

Food chainA sequence of

organisms through which food energy

passes.

Food chain

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• Food Chain• Community• Niche• Population• Abiotic factor• Biotic factor• Ecosystem

ProducerAn organism that can make its own

food.

Producer

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• Producer• Food Chain• Community• Niche• Population• Abiotic factor• Biotic factor• Ecosystem

ConsumerAn organism that eats other living

things.

Consumer

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• Consumer• Producer• Food Chain• Community• Niche• Population• Abiotic factor• Biotic factor• Ecosystem

Food WebA network of

relationships in which the flow of energy branches

out in many directions.

Food Web

I am reading chapter 25 and I found…

• Food Web• Consumer• Producer• Food Chain• Community• Niche• Population• Abiotic factor• Biotic factor• Ecosystem

Energy PyramidA diagram showing

the amount of energy available at each level of a food

chain.

Energy pyramid

I am reading chapter 25 and I found…

• Energy Pyramid Ecosystem

• Food Web Biotic Factor

• Consumer

• Producer

• Food Chain

• Community

• Niche

• Population

• Abiotic factor

EvaporationThe process by

which heat energy changes a liquid to

a gas.

evaporation

I am reading chapter 25 and I found…

• Evaporation

• Energy Pyramid Ecosystem

• Food Web Biotic Factor

• Consumer Abiotic factor

• Producer

• Food Chain

• Community

• Niche

• Population

CondensationThe process in

which a gas changes phase to a

liquid.

condensation

I am reading chapter 25 and I found…

• Condensation

• Evaporation Population

• Energy Pyramid Ecosystem

• Food Web Biotic Factor

• Consumer Abiotic factor

• Producer

• Food Chain

• Community

• Niche

PrecipitationMoisture in the

atmosphere that condenses and fall

to the earth as sleet, snow, hail, or rain.

Precipitation

I am reading chapter 25 and I found…

• Precipitation

• Condensation Niche

• Evaporation Population

• Energy Pyramid Ecosystem

• Food Web Biotic Factor

• Consumer Abiotic factor

• Producer

• Food Chain

• Community

Nitrogen fixationThe bacterial conversion of atmospheric nitrogen to useable compounds.

Nitrogen Fixation

SuccessionThe replacement of one community by

another over a period of time

succession

I am reading chapter 25 and I found…

• Nitrogen Fixation Food Chain

• Precipitation Community

• Condensation Niche

• Evaporation Population

• Energy Pyramid Ecosystem

• Food Web Biotic Factor

• Consumer Abiotic factor

• Producer