Populations and Ecosystems

A group of zebras breaking off from the herd is called

• immigration

• emmigration

• starting over

• population increase

All the abiotic and biotic factors in an area make up a(n)

• habitat

• territory

• ecosystem

• community

Tags

NGSS.MS-LS2-3

Water, sunlight, and soil are

• biotic factors

• needed for survival

• not needed for survival

• abiotic factors

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Nutrients in the soil from decaying remains of animals is a(n)

• biotic factor

• abiotic factor

• decomposer

• survival

Tags

NGSS.MS-LS2-3

A lack of places to build nests is an example of _____________ as a limiting factor.

• territory

• location

• space

• habitat

Tags

NGSS.MS-LS2-1

The part of an ecosystem where an organism lives and feeds is called its

• space

• population

• community

• habitat

The main way to increase a population is

• death

• birth

• immigration

• emmigration

Tags

NGSS.MS-LS1-4

Thick fur on an organism is a(n) _________ that allows it to survive in a specific environment.

• niche

• behavior trait

• factor

• adaptation

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

What is the first and smallest level of organization?

• species

• population

• community

• ecosystem

What is the largest level of organization?

• population

• community

• ecosystem

• species