Freshwater Ecosystems Test - Mr. K

Glacial lakes are formed by .....

• the action of glaciers

• earthquakes

• glacial freezing

• erosion

Tags

NGSS.MS-ESS2-2

What is the salinity of sea water?

• 35 parts per thousand (ppt)

• 350 parts per thousand (ppt)

• 3.5 parts per thousand (ppt)

• .35 parts per thousand (ppt)

True or False. A crater lake is one of the five types of lakes.

• True

• False

Wetlands are now considered important ecosystems because of ... (choose the best answer below)

• flood inducers

• vital habitats for wildlife

• collectors of wastewater

• all these answers

Tags

NGSS.MS-LS2-5

Which of the following is not one of the five types of lakes?

• artificial

• tectonic

• tide pool

• glacial

What are plankton?

• Organisms that cannot swim against a current.

• Tiny organisms that swim in the ocean.

• Any small microscopic organism that live in the ocean

• Organisms that you can find at the chum bucket.

An area where fresh water from a river mixes with salt water from the ocean is called what?

• estuary

• river-run

• bay

• river delta

Tags

NGSS.MS-ESS2-4

What type of lake is formed when landslides or glacial tills block streams or rivers and hold back water?

• barrier lake

• crater lake

• glacial lake

• tectonic lake

The rise of colder, deep water to the warmer surface is called what?

• updrifting

• river flowing

• nutrient sourcing

• upwelling

Tags

NGSS.MS-ESS2-6

What is the feeding structure that Blue Whales use to strain tiny organisms from sea water?

• Baleen

• Coleen

• Screen

• Bromine