CH7: Relationship between Distribution and Abundance

Define geographic range

The distribution of moth species in an ecosystem is affected by environmental changes. A change in which of these factors is least likely to affect the distribution of moths?

Which of the following best described the term abundance?

Most species in a group have __________ geographic ranges but few have ___________ geographic ranges.

Birds fly and migrate to thousands of kilometer away from their original habitat. Therefore, birds are known as having a ______________ geographic ranges.

Rapoport’s Rule proposed by Stevens in 1989 stated that ..........

In species geographic distribution, population density usually highest at the ________________ of the contour map.

Which of the following best described the relationship between geographic range size and abundance?

Which of the following best described Ecological Specialization Model.

Species that disperse more will occupy more patches and become more common. The statement is true when compared to less migratory species. This concept is adopted from __________________ .