Exam 12: Sustaining Biodiversity: the Species Approach

What are the characteristics of a successful invader species?

What has nearly driven prairie dogs to extinction? 

Biological diversity is an invaluable and irreplaceable resource.

Which island would likely have the largest number of species? 

______________________________ serves many purposes,such as allowing more control over breeding in order to avoid inbreeding,and facilitating educational and public awareness programs.

What rule should be applied before a non-native species is introduced to an ecosystem or habitat? 

Habitat destruction can be counteracted by reconciliation ecology.

Which term is synonymous with illegal hunting for profit? 

What may occur as a result of importing exotic birds for use as household pets? 

A(n)______________________________ represents a major collapse of biodiversity and ecosystems,which in turn leads to changes in the composition and distribution of life on Earth.

Which bird species did ornithologist John Audubon observe in the early 1800s in a flock that he estimated was 16 kilometres wide and hundreds of kilometres long and consisted of perhaps a billion birds? 

What has a greater chance of occurring when a population size drops to a critical population density? 

In what year did the passenger pigeon become extinct? 

Which term did biologist E.O.Wilson give to the sense of affinity that most people feel toward the natural world? 

Which of the following "values" do species have,according to people who believe that wild species have an inherent right to exist? 

What is the most significant difference between the current extinction crisis and previous mass extinctions? 

Which animal has a role in the propagation of cashews,avocados,and bananas? 

What is an extirpated species? 

One of the causes of depletion of the environment is human population growth.

Which of the following statements is NOT true about the situation of illegal wildlife smuggling?