Cold environments

Question 1

where on a global map are polar and tundra environments located

Answer 1

60 degrees north and south of the equator

Question 2

Name two things about the tundra and polar climate

Answer 2

Tundra:

• brief summer can be warm
• precipitation can be high in costal regions

Polar:

• winter temp often go bellow -50 degrees C
• have very low precipitation

Question 3

Name two things about the tundra and polar soil

Answer 3

Tundra:

• soil generally infertile
• soils are frozen ( permafrost) but in summer will melt

Polar:
-Permanently covered by ice so soils are permanently frozen

Question 4

Name two things about the tundra and polar vegetation and animals

Answer 4

Tundra:

• low growing flowering plants such as barber, arctic moss and saxifrage
• low bushes and small trees may grow in the warmer regions

polar:

• Some mosses and lichen found on the fringes of ice
• Polar bears are well adapted

Question 5

How has the arctic poppy adapted to survive

Answer 5

• The whole plant is covered with black hairs to reduce transpiration because it traps a layer of moist air and reduces the diffusion gradient
• It is heliotropic which means the it turns its face to follow the sun
• they grow among rocks because the stones absorb heat from the sun and provide moist shelter for the roots