Ch 7

Question 1

Wetland

Answer 1

Periodically under water

Question 2

Plankton

Answer 2

Organisms that cannot swim against currents so they are drifters

Question 3

Nekton

Answer 3

free swimming organisms such as fish and whales

Question 4

Benthos

Answer 4

Bottom dwellers such as mussels worms and barnacles

Question 5

Littoral zone

Answer 5

Near the shore, aquatic life is diverse and abundant

Question 6

Benthic zone

Answer 6

Bottom of a pond or lake which is inhabited by decomposers insect larvae and clams

Question 7

Eutrophication

Answer 7

An increase in the amount of nutrients

Question 8

Estuary

Answer 8

an array in which fresh water from a river mixes with salt water from ocean

Question 9

Salt marshes

Answer 9

Where rivers deposit their load of mineral rich mud

Question 10

Mangrove swamps

Answer 10

Found in the tropical and subtropical zones

Question 11

Barrier islands

Answer 11

Often run Parral let to sandy shore, help protect the mainland and the coastal wetlands from storms and ocean waves

Question 12

Coral reef

Answer 12

Limestone ridges built by tony coral animals called coral polyps and the algae that live inside them