Exam 56: Conservation Biology and Global Change

Your friend is wary of environmentalists' claims that global warming could lead to major biological change on Earth. Which of the following statements can you use in response to your friend's suspicions?

Small populations are most vulnerable to ________ and ________.

Although extinction is a natural process, current extinctions are of concern to environmentalists because

The biggest challenge that Costa Rica will likely face in its dedication to conservation and restoration in the future is

How might the extinction of some Pacific Island bats called "flying foxes" threaten the survival of over 75% of the tree species in those islands?

What is the biggest problem with selecting a site for a preserve?

What is the biological significance of genetic diversity between populations?

-Based on what you know about ecosystem stability and the information provided in the graph, which community (A-E)would likely support the most biodiversity?

Biodiversity hot spots are not necessarily the best choice for nature preserves because

Which of the following pairs is incorrectly matched?

Modern conservation biology increasingly aims at

Key goals of zoned reserves include all of the following, except

Some populations of sea turtles and Galapagos tortoises are maintained by people who collect their eggs and hatch/rear the young in captivity. Why is this practice supported by conservationists?

Which of the following is the most direct threat to biodiversity?

Atmospheric carbon dioxide has risen dramatically during the past century. Some global implications of climate change include all the following, with the exception of