The sharp reduction of the gene pool and the numbers of a population through a severe epidemic is an example of
____.
a. natural selection
b. genetic isolation
c. the bottleneck effect
d. the founder effect
e. the wild card effect
ANSWER: c
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The breakdown of proteins in animals results in what type of waste product(s)?
What will be an ideal response?
Total species diversity, or species richness, of individual communities is referred to as ________ diversity
Fill in the blank(s) with correct word
In DNA replication, _______________________ pairs with thymine, and cytosine pairs with _______________________.
adenine, guanine guanine, adenine cytosine, thymine purine, alanine none of the answer choices are correct adenine, guanine
Humphrey Bogart said in Casablanca that some things "don't amount to a hill of beans in this crazy world." But a "hill of beans" does have energetic value, both as food and as a tall hill. In what form(s)is/are the energy in this bean hill?
a) gravitational potential energy b) kinetic energy c) chemical energy d) Both a) and c) are true. e) None of the above is true.