Which is an abiotic factor that most limits the number of frogs living in a pond? 

• the color of the water 
• the number of predators 
• the temperature of the water 
• the populations of producers 

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which population would be most affected if there is a decrease in the population of aquatic insects?

• elk
• frog
• moose
• squirrel

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which species are best able to occupy the same space?

• those that eat the same foods
• those that compete for the same resources
• those that have a predator/prey relationship
• those whose needs differ significantly from each other

Tags

NGSS.MS-LS2-2

Which species would be most affected by the overfishing of Alaskan salmon?

• bears
• crayfish
• lobsters
• opossum

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

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NGSS.MS-LS2-3

Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

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NGSS.MS-LS2-2

The study of interactions in an ecosystem.

• ecology
• philosophy
• scientology
• biology

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

A group of the same type of organisms living in the same place at the same time.

• threatened species
• populations
• community
• limiting factor

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NGSS.MS-LS2-1

All of the populations that live in one area together

• limiting factors

• populations

• community

• speed limit

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NGSS.3-LS2-1