As a biologist, you are researching a population of moles. In the course of your research, you identify a nearby population that occasionally comes into contact with your study population. What best describes the evolutionary process at work?
A. mutation
B. natural selection
C. artificial selection
D. gene flow
E. genetic drift
D
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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
Which type of white blood cells secretes inflammatory chemicals?
a. monocytes b. lymphocytes c. basophils d. neutrophils e. eosinophils
Areas of the cerebrum where integration occurs and where memories are stored are called __________ areas.
Fill in the blank(s) with the appropriate word(s)
Which of the following cell types would not be found in connective tissue?
a. macrophages b. red blood cells c. chondrocytes d. squamous e. adipose cells