Week 14

Question 1

How have animals adapted to cold environments?

Answer 1

Thick fur/fat layers, Torpor, Hibernation, Behavioral patterns (Penguins)

Question 2

How have plants adapted to cold environments?

Answer 2

Low streamlined shape, hairy leaves, deciduous leaves.

Question 3

How have animals adapted to hot, dry environments?

Answer 3

Concentrated urine, Migration, burrowing, Nocturnal activity, life cycle with stages resistant to the dry season.

Question 4

How have plants adapted to hot, dry environments?

Answer 4

Annual life cycle, small leaves, leaves with thick cuticle and rolled edges, hairy leaves (Banksia), Succulence, stomata in grooves.

Question 5

In an arid area what are the advantages/disadvantages of succulent growth?

Answer 5

Advantages= Stored water = longer metabolism in dry weather. 
Disadvantage= Easy food for herbivores.

Question 6

In an arid area what are the advantages/disadvantages for growth of a twiggy shrub?

Answer 6

Advantage= low surface area=low evaporation, hard to eat
Disadvantage= small photosynthetic area.

Question 7

Why are Biomes discrete entities?

Answer 7

Biomes can be useful for the classification of vegetation types.