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Ecosystems Saltwater

Authored by Charles Martinez

Biology

8th Grade

NGSS covered

Ecosystems Saltwater
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The flow of energy through an ecosystem can be depicted in a food web. What forms the base of the open ocean food web?

algae
fish 
shrimp
whales

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The flow of energy through an ecosystem can be depicted in a food web. What forms the base of the open ocean food web?

algae
fish 
shrimp
whales

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An estuary....

filters dirt and pollution out of the water
is only found inland
is a deposit formed where a fast flowing stream flattens
is a small watershed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

New technologies are making it possible to obtain energy from ocean tides and waves. One such technology uses buoys that float on the surface of the water. When the buoys rise and fall, water flows past underwater turbines, generating electricity. This illustrates that the ocean...

can be a source of nonrenewable energy
can be a source of renewable energy
can be made safer by using modern buoys
can absorb large amounts of heat from the Sun

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An estuary is...

a body of water formed where freshwater and saltwater mix
a relatively flat land stretching from either side of a river
the beginning of a river
an abiotic factor of a watershed

Tags

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ocean contains ecosystems that can support life without plants. Where are these ecosystems most likely located?

near the shoreline
in the deep ocean
in the open ocean
in an estuary

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In terms of photosynthesis, at what depth are organisms in the ocean most productive?

between 1000-4000m
below 4000 meters
above 200 meters
between 200 and 1000 meters

Tags

NGSS.MS-LS1-6

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