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Chapter 4 Review - hasdk12.org

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Coral reefOak forest

Lake Irene

Utility poleOcean Vacant lot

People at a football game

Birds in a forest

Bacteria in your stomach

Organisms in a pond

HABITATSA habitat contains biotic & abioticfactors.

A habitat has specific characteristics that an organism needs in order to live there.

Most organisms can survive if they are taken away from their habitat.

An organism’s habitat is the place where it lives.

Soil Temperature bacteria sunlightA dead fish octopus rock Mr. Feeny

bacteriaA dead fish

octopus

Mr. Feeny

soiltemperature

sunlightrock

DefinitionMembers of the same species living in the same place at the same timeGroup of various species living in the same place & interacting

All the organisms in an area and their physical environment

An individual living thing

Example

A whitetail deer

The whitetail deer, ticks, trees & coyotes in a forest

The deer, trees, sunlight, and nutrients in the soil

All the whitetail deer in the forest

Organisms are more likely to survive because they:•Have certain physical ____________________

•________________ certain physical traits

•Engage in certain ________________________

Must happen for evolution to occur An inherited trait that increases an

organism’s chance of survival & reproduction in a certain environment

German shepherds are a breed of dog that exist because of…

Two species changing genetically in response to long-term interactions with each other is…

If an insect can no longer be killed by a particular insecticide, it has developed…

Bact

eria

Prot

ists

Fung

i

Plan

ts

Anim

als

UnicellularMulticellularProkaryotic: no nucleusCells have cell wallsSome cause disease, add flavor to food, yeast

Can live in harsh environments, recycle nutrients,cause disease, help digestion

Ingest food, pollinate crops, provide food

Provide most of the food we eat, autotrophs, building materialsCan cause disease (malaria), algae which are a major food source in oceans