ECOlogy-Lecture 2

Question 1

What arethe physical factors that affect terrestrial biomes? And which is most important?

Answer 1

1. Temperature
2. Precipitation

3. Evapotransporation

Question 2

What is evapotranspiration?

Answer 2

Evaporation from plants transferred to the land and atmosphere

Question 3

What are the physical factors that affect aquatic biomes?

Answer 3

1. Light

2. Temperature
3. Depth
4. Substrate type (salty, fresh)

Question 4

Where is the thermolcline located?

Answer 4

Between the photic and dysphotic (twilight) zone

Question 5

What are the layers of the aquatic biome?

Answer 5

1. Photic zone- 99% light
2. Dysphotic zone (twilight)- 0-1% light
3. Aphotic Zone (abyssal)

Question 6

What are the marine zonations?

Answer 6

Starting from the shore…

1. Intertidal zone
2. Neritic zone
3. Oceanic zone

Question 7

Describe the temperate forest

Answer 7

Deciduous trees

Question 8

Describe the boreal forest

Answer 8

Coniferous trees (pine/Christmas), long cold winters, cool summers

Question 9

Describe the tropical wet forest

Answer 9

Poor soil quality, layers of tree canopy, warm and moist

Question 10

Describe the savana

Answer 10

Grass, small trees, warm, wet and dry seasons

Question 11

Describe the subtropical desert

Answer 11

Xeric plants (cacti), low rain, very hot

Question 12

Describe the Chaparral (scrub forest)

Answer 12

Shrubs and dry plants

Question 13

Describe the temperate grasslands

Answer 13

Dominated by grass and large grazing animals

Question 14

Describe the tundra

Answer 14

Low growing forbs, soil is frozen (permafrost), wolf, caribou

Question 15

Describe the intertidal biome

Answer 15

rocky sand, wave action, debris and pollution

Question 16

Describe the coral reef biome

Answer 16

dominated by corals with fish

NO pristine reefs left anywhere

Question 17

Describe the estuary biome

Answer 17

Where freshwater and ocean water meet, brackish water

Question 18

Describe the wetlands

Answer 18

steady water, plants that roots in dirts and grow through water.

Question 19

Describe freshwater biomes and give examples

Answer 19

Wetlands, lakes, ponds, rivers,

Water at top of mt, cold and nutrient poor

Water at bottom of mt, warm and nutrient rich

-Lower salinity than ocean water

Question 20

What is the difference between the benthic and pelagic realm?

Answer 20

Benthic realm is the bottom of the body of water

Pelagic realm is the part relating to the occuring open sea