Fall Semester Biology Midterm

Grass is a...

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The hawk is considered a...

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Using the 10% rule for energy transfer, how much energy would be available at level 2 (primary consumer)?

• 44,000,000

• 440,000

• 44,000

• 4,400

Answer explanation

Only 10% energy passes from one level to the next (90% is lost). Take off 1 zero each time you go up the pyramid!

Tags

NGSS.MS-LS2-3

Using the 10% rule for energy transfer, how much energy would be available at level 3 (secondary consumer)?

• 440,000

• 44,000

• 4,400

Tags

NGSS.MS-LS2-3

The energy percentage passed from the producers to the primary consumers would be:

• 11%

• 9%

• 10%

• 6%

Tags

NGSS.MS-LS2-3

The energy percentage passed from the primary consumers to the secondary consumers would be:

• 9%

• 10%

• 6%

• 11%

Tags

NGSS.MS-LS2-3

An organism found at level 1 would be...

• Lion

• Zebra

• Grass

• Wildebeest

Tags

NGSS.MS-LS2-3

An organism found at level 3 would be...

• Grass

• Lion

• Zebra

Why are decomposers important to an ecosystem?

• They provide energy through photosynthesis

• They recycle nutrients

• They are an important prey species

Tags

NGSS.MS-LS2-3

Water, soil and oxygen are examples of ___________ factors.

• Biotic

• Abiotic

Answer explanation

Biotic = living

Abiotic = nonliving

Tags

NGSS.MS-LS2-3