2.1 Biodiversity p2.2

Question 1

Biodiversity refers to

a) species diversity
b) genetic diversity
c) ecosystem diversity

a, b or c?

Answer 1

all three.

Biodiversity refers to the variety of life forms that occur on earth

Question 2

true or false:

South Africa has the second highest levels of biodiversity in the world

Answer 2

false - it’s the third highest

Question 3

What is the name for the group of species that occur naturally in a particular country or region

Answer 3

Indigenous species

Question 4

What is the name for the group of species that do not occur naturally in a region but have been brought there from another place?

Answer 4

Exotic, or Alien species

Question 5

What is the name for the group of species that only occur in one country and nowhere else in the world

Answer 5

Endemic species.

South Africa has a large number of endemic species

Question 6

What are the three biodiversity hotspots in South Africa

Answer 6

Cape Floral Region
Succulent Karoo
Maputaland-Pondoland-Albany

Question 7

How big and how varied is the Cape Floral region

Answer 7

90,000km2 (0.05% of the earth)

3% of all plant species (9600 species of vasular plants - 70% of which are endemic)

Question 8

How many plants in the succulent Karoo region

Answer 8

5000 (40% are endemic)

Question 9

The MPA region stretches along which coast and how many trees does it have

Answer 9

East coast (600 tree species) - temperate forrest