Env Quiz 6.4

Freshwater is _______ saltwater.

• less salty than

• more salty than

• just as salty as

Eutrophic lakes

• are murky because of abundant nutrients.

• are deep because of abundant nutrients.

• have few nutrients and therefore low biodiversity.

• are murky because there aren't enough nutrients to remove pollutants.

True or False: Flowing water has the ability to shape the land and create prominent features like valleys and sediment deposits.

• True

• False

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Both freshwater AND marine wetlands are critical ecosystems because they

• reduce erosion and flooding.

• are a unique temporary ecosystems that wildlife rely on.

• refill aquifers.

• provide clean drinking water.

Tags

NGSS.MS-LS2-3

__________ occurs when fresh drinking water is contaminated with saltwater.

• Saltwater intrusion

• An empty aquifer

• Restricted water flow

• Agricultural pollution

Tags

NGSS.MS-ESS2-4

Restricting natural water flow in an ecosystem (canals, dams, etc.) can

• limit nutrient availability

• act as a barrier wildlife migration

• cause flooding following a storm

• All of the following answers are correct.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Lakes and ponds are different because

• lakes are deeper than ponds.

• ponds are bigger than lakes.

• lakes only have a photic zone.

• they are not different!

________ is any water on Earth's surface that flows over land until it reaches another body of water.

• Runoff

• Surface water

• Freshwater

• Groundwater

Tags

NGSS.MS-ESS2-4

Aquifers are

• underground layers of rock (like limestone) that store groundwater.

• water we drink from.

• above-ground stores of water.

• lakes, ponds, or other freshwater ecosystems.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Replacing wetlands/rivers with canals is bad for SOCIETY because

• it increases flooding.

• it removes natural habitat for wildlife.

• canals are ugly.

• the wildlife found in the canal is limited compared to a river/wetland.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5