APES Unit 4

Question 1

Terrestrial biomes

Answer 1

A geographic region categorized by a particular combination of average annual temperature, annual precipitation, and distinctive plant growth forms on land

Question 2

Aquatic biomes

Answer 2

An aquatic region characterized by a particular combination of salinity, depth, and water flow

Question 3

Habitat

Answer 3

An area where a particular species lives in nature

Question 4

Tundra

Answer 4

A cold and treeless biome with low-growing vegetation

Question 5

Permafrost

Answer 5

An impermeable, permanently frozen layer of soil

Question 6

boreal forest

Answer 6

A forest biome made up primarily of coniferous evergreen trees that can tolerate cold winters and short growing seasons

Question 7

temperate rainforest

Answer 7

A coastal biome typified by moderate temperatures and high precipitation

Question 8

temperate seasonal forest

Answer 8

A biome with warm summers and cold winters with over 1 m (39 inches) of precipitation annually.

Question 9

woodland/shrubland

Answer 9

A biome characterized by hot, dry summers and mild, rainy winters

Question 10

temperate grassland/cold desert

Answer 10

A biome characterized by cold, harsh winters, and hot, dry summers

Question 11

tropical rainforest

Answer 11

A warm and wet biome found between 20° N and 20° S of the equator, with little seasonal temperature variation and high precipitation.

Question 12

tropical seasonal forests/ savana

Answer 12

A biome marked by warm temperatures and distinct wet and dry seasons

Question 13

subtropical desert

Answer 13

A biome prevailing at approximately 30° N and 30° S, with hot temperatures, extremely dry conditions, and sparse vegetation.

Question 14

littoral zone

Answer 14

The shallow zone of soil and water in lakes and ponds where most algae and emergent plants grow.

Question 15

limnetic zone

Answer 15

A zone of open water in lakes and ponds

Question 16

phytoplankton

Answer 16

floating algae

Question 17

profundal zone

Answer 17

A region of water where sunlight does not reach, below the limnetic zone in very deep lakes

Question 18

benthic zone

Answer 18

The muddy bottom of a lake, pond, or ocean

Question 19

oligotrophic

Answer 19

Describes a lake with a low level of productivity

Question 20

mesotrophic

Answer 20

Describes a lake with a moderate level of productivity

Question 21

eutrophic

Answer 21

describes a lake with a high level of productivity

Question 22

freshwater wetlands

Answer 22

An aquatic biome that is submerged or saturated by water for at least part of each year, but shallow enough to support emergent vegetation

Question 23

salt marshes

Answer 23

A marsh containing nonwoody emergent vegetation, found along the coast in temperate climates

Question 24

Mangrove swamps

Answer 24

A swamp that occurs along tropical and subtropical coasts, and contains salt-tolerant trees with roots submerged in water

Question 25

intertidal zone

Answer 25

The narrow band of coastline between the levels of high tide and low tide

Question 26

Coral reefs

Answer 26

The most diverse marine biome on Earth, found in warm, shallow waters beyond the shoreline

Question 27

Coral bleaching

Answer 27

A phenomenon in which algae inside corals die, causing the corals to turn white

Question 28

open ocean

Answer 28

Deep ocean water, located away from the shoreline where sunlight can no longer reach the ocean bottom

Question 29

photic zone

Answer 29

the upper layer of ocean water in the ocean that receives enough sunlight for photosynthesis

Question 30

aphotic zone

Answer 30

the deeper layer of ocean water that lacks sufficient sunlight for photosynthesis

Question 31

chemosynthesis

Answer 31

A process used by some bacteria in the ocean to generate energy methane and hydrogen sulfide