#15/16 Terrestrial Ecosystems

Question 1

what is a biome

Answer 1

Large, naturally ocurring plant community occupying a habitat (forest, tundra, or desert) characterized by their predominant plant types.

Question 2

what characterized a forest ecosystem

Answer 2

closed canopy of trees

Question 3

woodland and savanna ecosystems are characterized by which species types?

Answer 3

the co-dominance of grasses and trees or shrubs

Question 4

when do we term something “desert”

Answer 4

scarcity of plant cover

Question 5

whats an ecozone. How many terrestrial ecozones are in Canada?

Answer 5

an area of the earths surface representative of large and generalized ecological units characterized by interactive and adjusting abiotic and biotic factors.
15 in Canada

Question 6

how many eco regions in canada?

Answer 6

217, as they are subdivisions within the ecozones

Question 7

how are biomes defined

Answer 7

by the predominant plant type in the area.

Question 8

ecozones are defined by ?

Answer 8

very generalized ecological units characterized by the interactions and changes in abiotic and biotic factors

Question 9

A subunit of an ecozone is the ______?

Answer 9

ecoregion - defined by distinctive regional ecological facors, including climate, vegetation, soil, water, fauna, etc.

Question 10

What are the 11 ecoregions in Saskatchewan?

Answer 10

Taiga Shield Ecozone (North)
- Selwyn Lake Upland
- Tazin Lake Upland

Boreal Shield Ecozone
- Athabasca Plain
- Churchill River Upland

Boreal Plain Ecozone
- Mid-Boreal Upland
- Mid-Boreal Lowland
- Boreal Transition

Prairie Ecozone
- Aspen Parkland
- Moist Mixed grassland
- Mixed grassland
- Cypress Upland