Relationships in Ecosystems Test

A living or once-living organism in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

Tags

NGSS.MS-LS1-5

Temperature, light, air, water, and soil are all  _____  parts of an ecosystem.

• alive
• biotic 
• abiotic
• living

Tags

NGSS.MS-LS2-3

How all the living and nonliving things in an area interact.

• Competition

• Symbiosis

• Dependent

• Ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

All the things an organism needs to live, grow, and reproduce.

• lifestyle

• resources

• biotic factors

• nutrients

Tags

NGSS.MS-LS2-1

Any relationship in which two different species live closely together and use each other to live is called _________________.

• Predation

• Symbiosis

• Competition

• Harmony

Tags

NGSS.MS-LS2-2

______________ occurs when one organism captures and feeds on another organism.

• Predation

• Symbiosis

• Competition

• Dependent

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

True or False: The population size of predators are equal to the population size of prey.

• True

• False

Tags

NGSS.MS-LS2-4

An interaction between organisms or species that is helpful to both.

• Dependent interaction

• Predatory interaction

• Mutually beneficial interaction

• Competitive interaction

Tags

NGSS.MS-LS2-2

When two or more individuals or populations attempt to obtain a single resource.

• Competitive interaction

• Mutually beneficial interaction

• Dependent interaction

• Predatory interaction

Tags

NGSS.MS-LS2-1

Which is an example of parasitism?

• Shark and seal

• Flea and dog

• Deer and grass

• Seagull and fish