Science: Week 18 - People and the Ocean

Why do prey animals suffer if there are fewer predators?

• There is more pollution.

• They lose a food source.

• The ecosystem is lonelier.

• They became overpopulated.

Tags

NGSS.MS-LS2-4

What is evidence that the number of sharks is decreasing?

• There are more sightings

• There are fewer caught by fishing boats.

• The number of seals with shark bites is growing.

• Penguin populations have shrunk due to predation.

What does extinct mean?

• A species no longer exists.

• Plants and animals adapt.

• Population size decreases.

• Predators eat prey animals.

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NGSS.MS-LS4-1

Explain why animals are better able to survive a change in the environment than plants. Mark all that apply. (short answer)

• have the ability to change their location

• move to a different place

• plants will survive better

• plants have to stay so if they can't adapt to changes, they will die

Tags

NGSS.MS-LS2-4

Humans cannot affect the ocean because they do not live there.

• True

• False

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is one effect of oil spills on marine organisms?

• Oil chases away predators.

• They have more food to eat.

• They are shaded from harsh sunlight.

• Clogged gills make it hard to breathe.

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

I can help sea animals by throwing away ______ (less, more) plastic and ________ (using, not using) chemicals near the ocean.

• less; using

• less; not using

• more; using

• more; not using

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NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Explain why humans should care about ocean ecosystems. Check all that apply. (short answer question)

• Humans should not care about the ocean.

• they are all connected and one change in one affects others

• oceans provide jobs and food to many people

• responsibility to protect and preserve the Earth

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5