soil regions

Question 1

what are the 4 components of soil? (BAMM)

Answer 1

• bacteria and organic materials
• air
• minerals
• moisture

Question 2

what are bacteria and organic materials?

Answer 2

dead plants and animals decompose

Question 3

what is air?

Answer 3

small air pockets in soil allow roots to spread and soil to drain

Question 4

where do minerals come from?

Answer 4

parent rock deposited by wind, glaciers, rivers, etc

Question 5

what is moisture?

Answer 5

water taken up by plants necessary for survival and chemical, physical processes

Question 6

name the 4 layers of soil in descending order

Answer 6

humus
topsoil
subsoil
bedrock

Question 7

what is humus?

Answer 7

organic layer

leaf litter

Question 8

what is topsoil?

Answer 8

dark brown/black

nutrient rich

Question 9

what is subsoil?

Answer 9

organic layer

minerals

Question 10

what is bedrock?

Answer 10

where minerals form

Question 11

more pressure = _____ rock

Answer 11

harder

Question 12

what are the 3 main types of vegetation in canada?

Answer 12

• tundra
• forest
• grasslands

Question 13

where is the tundra?

Answer 13

north

Question 14

how is the tundra marked?

Answer 14

by the tree line

Question 15

why are the tundra growing conditions bad?

Answer 15

permafrost

Question 16

what are the 2 types of forests in canada?

Answer 16

• boreal

- taiga

Question 17

what kind of trees are in the north?

Answer 17

coniferous

Question 18

what kind of trees are in the south?

Answer 18

deciduous

Question 19

what are grasslands?

Answer 19

prairies and grass

Question 20

are there many trees in the grasslands?

Answer 20

no

Question 21

where are the deep root systems?

Answer 21

grasslands

Question 22

which area is drought resistant?

Answer 22

grasslands