Ecosystems and Food Webs

What is the interaction of living and nonliving things in a habitat called?

• Ecosystem

• Food web

• Habitat

• Species

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NGSS.MS-LS2-3

Which animal plays an important role in the rainforest food web by eating fruit and scattering seeds?

• Toucan

• Jaguar

• Sloth

• Spider monkey

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NGSS.MS-LS2-2

How do spider monkeys contribute to the growth of the rainforest?

• By eating insects

• By hunting sloths

• By spreading seeds

• By pollinating flowers

What happens if the spider monkey population starts to decline?

• More plants and trees grow

• The forest stops growing

• More fruits are available for monkeys

• Other animals start over-hunting

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NGSS.MS-LS2-1

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How many plant and animal species rely on the plants in the rainforest?

• Around 5,000

• Around 10,000

• Around 25,000

• Around 50,000

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NGSS.MS-LS2-1

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What happens if one species is removed from the food web?

• The whole ecosystem collapses

• The habitat changes forever

• New species will come in

• The plants and animals become disconnected

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What can cause an ecosystem to get out of balance?

• Floods and droughts

• Natural disasters

• Human activities

• All of the above

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What happens to habitats after a natural disaster?

• They return to normal immediately

• They change forever

• New species migrate to them

• They become unlivable

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NGSS.MS-LS2-4

What analogy is used to describe the delicacy of food webs?

• Spiderwebs

• Polar bears

• Tropical rainforests

• Floods and droughts

Tags

NGSS.MS-LS2-4