Science Ms. C - Study Guide Quiz 1

An ecosystem is how living and nonliving factors interact in an environment

Biotic - Living factors in an ecosystem

Abiotic - Non-living factors in an ecoystem

A habitat is where animals live to meet their needs

A habitat can be small (Ex. under a rock - insects)

A habitat can be large (Ex. across a continent - migrating birds)

Habitats can overlap (Ex. snakes, sagebrush, and tarantulas all can live in a desert habitat)

Living things depend on one another to live

Every food chain starts with producers

Consumers eat the producers

Other consumers eat consumers

Producers make their own food (ex. plants)

Consumers must consume or eat their own food. (ex. deer, people, sharks)

Predators is a consumer that eats other animals

Prey is a consumer that is eaten

Herbivore - Only eats producers (plants)

Carnivore - Only eats meat

Omnivore - Eats both meat and plants.

Feeds on dead things

Ex. fungi, bacteria, worms

Decomposers clean up waste and make waste nutrients for producers.

Pollution is something that is harmful to an environment

Ex. fumes from cars, chemicals in water

Natural resources are found in nature without the help of humans (ex. gold, water, oil, air, timber, soil)