chapter 3.2

Question 1

material that is deposited by water,wind,or glaciers

Answer 1

sediment

Question 2

area closet to the shore.

Answer 2

littoral zone

Question 3

open water area that is well lit and dominated by plankton

Answer 3

Limnetic zone

Question 4

free floating autotrophs and heterotrophs that lives in freshwater or marine ecosystems

Answer 4

plankton

Question 5

deepest area of a large lake with limited light and much colder than the other two zones

Answer 5

profundal zones

Question 6

lakes that are very poor in nutrients

Answer 6

oligotrophic

Question 7

lakes that are nutrient rich

Answer 7

eutrophic

Question 8

areas of land that are saturated with water and support aquatic life (marshes,swaps,bogs)

Answer 8

wetland

Question 9

an ecosystem formed where freshwater from a river or stream merges with salt water from the ocean

Answer 9

estuary

Question 10

narrow band where the ocean meets land

Answer 10

intertidal zone

Question 11

all the water in the open ocean that does not fall in the intertidal zone or the benthic zone

Answer 11

pelagic zone

Question 12

area of water above 200m where light can penetrate

Answer 12

photic zone

Question 13

area of water that sunlight is unable to penetrate

Answer 13

aphotic zone

Question 14

a zone of water that lies between 2,000&4,000 meters

Answer 14

abyssal zone

Question 15

a zone of water that exists in depths greater than 6,000 meters

Answer 15

hadal zone

Question 16

area along the ocean floor that’s consists of sand, silt and dead organisms

Answer 16

benthic zone