Science Review

Section 1

Interactions Among Living Things

Behavioral and physical characteristics that allow

organisms to survive successfully in their environment are

called…..

Adaptations

Three Ways Animals Interact with their Environment

Competition

Predation

Symbiosis

An interaction in which one organism kills another for food is

called…….

Predation

The struggle between two organisms to survive as they

attempt to use limited resources is called…

Competition

A close relationship between two species that benefits at least one of

the species is called……

Symbiosis

Interaction in which one benefits and the other is not harmed….

Interaction in which both organisms benefit……

Mutualism

Interaction in which one benefits and the other is harmed…..

Parasitism

Commensalism

Symbiosis

Predation

The animal hunting is called the ……

Predator

The organism being hunted is called the…..

Prey

Predation AND Adaptation

An adaptation that helps an organism to kill others is called…….

Predator Adaptation

An adaptation that help an organism defend itself from others is called….

Prey Adaptation

Science Review

Section 2

Energy Flow in Ecosystems

Energy enters most ecosystems as……

SUN

Decomposers

What breaks down wastes and dead organisms and returns the raw materials to

the ecosystem?

An organism that can make its own food is called ………..

Producer

Consumer

An organism that obtains energy by feeding on other organisms is called …..

Energy Roles in an Ecosystem

• Producer

• Consumer

• Decomposer

Producers

• Plants

• Algae

• Bacteria

Consumers

• Herbivore– Plant eaters

• Carnivore– Meat eaters

• Omnivore– Plant and meat eaters

• Scavenger– Eat dead organisms

Decomposers

•Bacteria

•Mushrooms