Section 1 Interactions Among Living Things 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…… Symbiosis Mutualism Interaction in which one benefits and the other is harmed….. Parasitism Interaction in which one benefits and the other is not harmed…. Commensalism

The organism being hunted is called the….. 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

Energy Flow in Ecosystems Science Review Section 2 Energy Flow in Ecosystems

Energy enters most ecosystems as…… SUN

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

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

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

Energy Roles in an Ecosystem Producer Consumer Decomposer

Producers Plants Algae Bacteria

Consumers Herbivore Carnivore Omnivore Scavenger Plant eaters Meat eaters Omnivore Plant and meat eaters Scavenger Eat dead organisms

Decomposers Bacteria Mushrooms