Ecosystems

Which of the following ecosystems can have high concentrations of salt in the water?

• estuary

• lake

• pond

• river

What type ecosystem is shown in the food web?

• rain forest

• grassland

• savannah

• desert

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is salinity?

• The temperature of water

• How much salt is in the water

• How many fish are in the water

• How much algae is in the water

Tags

NGSS.MS-LS2-3

Which of the following is a trait of rain forest ecosystems?

• trees lose their leaves in the warm months

• trees lose their leaves in the cold months

• trees do not lose leaves

What is the role of the snake in the deciduous forest food chain?

• tertiary consumer

• secondary consumer

• primary consumer

• producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A mushroom is an example of a...

• decomposer

• consumer

• predator

• prey

Which is a biotic component of ecosystems?

• soil

• sunlight

• water

• algae

Tags

NGSS.MS-LS2-2

Look at the desert food web. What would happen to the frog population if a drought killed most of the grass?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Look at the desert ecosystem. What would happen to the grasshopper population in the number of snakes increases?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why are producers, or plants, an important part of an ecosystem?

• They are a source of food for primary consumers.

• They release oxygen.

• Both of these.

• Neither of these.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3