Ecosystems Review- 7th Grade

All biotic and abiotic factors and the interactions between them in an area make up a ​________?

• Ecosystem

• Globalization

• Habitat

• Biosphere

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The biosphere includes Earth - True or False?

What will happen if two species occupy the same niche?

• Two species will compete with each other.

• One species will out compete the other.

• One species may go extinct.

• All of the above.

Tags

NGSS.MS-LS2-4

What type of relationship exists between an ostrich and a zebra?

• Commensalism

• Parasitism

• Mutualism

• Predator-Prey

Choose the factor that can best describe a habitat.

• The average amount of sunlight each day.

• The average yearly rainfall.

• The range of annual temperatures.

• All factors best describe a habitat.

What type of relationship exists between a hookworm and human?

Which of the following are crucial for maintaining the balance of the ecosystem?

• Biotic Factors

• Abiotic Factors

• Both Biotic & Abiotic Factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Once a niche is left vacant, what happens?

• A new species evolves to fill the niche.

• The niche adapts to an existing species.

• The niche disappears.

• The species became extinct.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Choose the abiotic factors.

• Water, temperature, fungi

• Temperature, soil, water

• Soil, mold, and fungi

• Fungi, water, soil

Tags

NGSS.MS-LS2-3

The human population shows exponential growth- true or false?

Tags

NGSS.MS-ESS3-4