There are two types of genetic drift. Describe and give an example of the founder effect
What will be an ideal response?
When a new population is established by a small number of colonists, chance alone results in different genotypic ratios in the new (founder) population compared to the initial population. This is particularly evident in populations that colonize islands. Examples are bird species found on an archipelago.
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Which of the graphs above best represents the relationship between the intensity of directional selection and the genetic variation present within a population?
A) Graph A B) Graph B C) Graph C D) Graph D E) Graph E
Different courtship displays among closely related bird species are an example of:
1.Temporal Isolation 2.Mechanical Isolation 3.Ecological Isolation 4.Behavioral Isolation
When a woman has her gallbladder removed, she should probably reduce her consumption of _____
A) proteins B) carbohydrates C) fats D) proteins and carbohydrates
The relationship between plant roots and fungi can best be described as
A. predation. B. mutualism. C. an association. D. parasitism.