Problem 1
Name three ways humans directly alter ecosystems.
Problem 2
Why is the impact of humans greater today than at any time in the past?
Problem 3
Describe three factors that influence the genetic diversity of a population.
Problem 4
Describe three major causes of the loss of biodiversity.
Problem 5
What are the major causes of biodiversity loss in marine ecosystems?
Problem 6
List three problems associated with forest exploitation.
Problem 7
What is desertification? What causes it?
Problem 9
List six techniques utilized by wildlife managers.
Problem 11
What is extinction, and why does it occur?
Problem 12
List three examples of ecosystem services provided by biological resources.
