The range of the grizzly bear in the 48 contiguous United States is now less than 1% of what it was in 1800. What has been proposed to help maintain genetic variation in the remaining populations of this species?
A. protected corridors between all of the remaining populations
B. regular exchange of bears between isolated populations
C. proserving more small patches of forest
D. cloning of the most genetically diverse remaining females
E. establishment of new parks in Colorado and New Mexico
B. regular exchange of bears between isolated populations
You might also like to view...
Why are antibodies important to immunity?
What will be an ideal response?
Pigment can be found in several layers of the epidermis. In which layers would you expect to find the cells that produce melanin?
a. stratum granulosum b. stratum lucidum c. stratum basale d. stratum spinosum
In most genes, the rate of synonymous mutations is significantly higher than that of nonsynonymous mutation. The MHC genes exhibit the reverse, having over twice as many nonsynonymous as synonymous mutations. Explain this phenomenon
What will be an ideal response?
Some amoebae have a covering over their plasma membrane. These amoebae are referred to as ________ amoebae.
Fill in the blank(s) with the appropriate word(s).