Topic 3 Review Questions
1.Define Species Diversity: _________________________________________________
______________________________________________________________________
2.Define Habitat Diversity: ______________________________________________
______________________________________________________________________
3.Define Genetic Diversity: _________________________________________________
______________________________________________________________________
4.What type of biodiversity is being described in each scenario?
a. In the state of North Carolina there are forest, wetland, and
mountainous ecosystems. ____________________________
b. Dogs have many different genes for fur color. _________________________
c. In my backyard I see a lot of different types of birds that eat a lot of
different insects and live in many different types of trees.
_____________________
d. Some of the tomato plants in my garden were able to survive the
drought we had last summer. __________________________
5. State two reasons why it is useful to give a numerical value to species diversity.
6. What does a high value of the Simpson diversity index tell you about an area that
is being studied?
7. Explain what natural selection is.
8. Give reasons why marsupial mammals are only found in Australia.
9. What types of movement of the Earth’s plate can lead to speciation?
10. How do land bridges affect species and speciation?
11. Suggest four factors that make some species more vulnerable to extinction than
others.
12. What are the factors used to decide whether an organism is listed in the Red
List?
13. Outline the factors that have led to the extinction of a species that has been lost
as a result of human activity.
