Honors Env. Science Chapter 7

Question 0

What is an effect of precipitation that carries pollutants into aquatic ecosystems?

Answer 0

Runoff

Question 1

What is a swamp?

Answer 1

A marsh

Question 2

What is wetland dominated by woody plants?

Answer 2

A swamp

Question 3

What is the area where fresh water mixes with salt water?

Answer 3

An estuary

Question 4

What are limestone ridges built by tiny animals?

Answer 4

Coral reefs

Question 5

What is located near the bottom of a pond or lake?

Answer 5

Benthic zone

Question 6

What are organisms that break down dead organisms?

Answer 6

Decomposers

Question 7

What is an increase in nutrients in an aquatic ecosystem?

Answer 7

Eutrophication

Question 8

What is an aquatic zone found near the shore?

Answer 8

The littoral zone

Question 9

Threat against a river ecosystem

Answer 9

Dams

Question 10

Threat against marine organisms?

Answer 10

Overfishing

Question 11

Why are estuaries a productive system?

Answer 11

They constantly receive nutrients from the river and ocean.

Question 12

In what aquatic ecosystem can you find both the benthic and littoral zone?

Answer 12

A lake

Question 13

What is the source of most ocean pollution?

Answer 13

Activities on land (polluted runoff)

Question 14

What are three examples of salt water ecosystems?

Answer 14

Coral reefs, mangrove swamps, and salt marshes

Question 15

What is a fresh water ecosystem?

Answer 15

The Florida Everglades

Question 16

What is not a threat to coral reefs?

Answer 16

Growth of algae

Question 17

What is a way that wetlands control flooding?

Answer 17

It absorbs water from rivers