Ecosystems Ecosystem Services Biotic and Abiotic Spheres of the Earth Food Webs Food Chains Symbiotic Relationships

The part of Earth where organisms can live.

• biotic factors
• biosphere
• ecology
• biology

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

Tags

NGSS.MS-LS2-3

Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Which is a biotic factor?

• sunlight
• air 
• bacteria
• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Deserts, mountains, and rivers are all examples of ________.

• vacation spots
• tundra
• ecosystems
• wetlands

Tags

NGSS.MS-LS2-3

In an ecosystem, producers and consumers are both __________.

• biotic factors
• very nice
• cranky
• abiotic factors

Which of the following is a biotic factor?

• soil

• temperature

• salinity

• vegetation

An organism that kills and eats all or part of another organism is called---

• producer
• predator
• prey
• parasite

An organism that is killed or eaten by another organism is called---

• producer
• predator
• prey
• parasite