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Module 7 Part 2 Theory of Natural Selection Practice Quiz
Terms in this set (17)
What are two of Darwin's Theories?
Theory of Evolution and Theory of Natural Selection
What does a Gene control?
What are different forms of a gene?
The genetic makeup or combination of alleles is called?
What is the observable trait of a species called?
How are traits passed along?
Explain the benefits of Natural Selection.
traits are inherited making an individual more likely to survive and reproduce offspring than those who do not have such traits
What is a population?
a group of individuals of the same species living in the same area at the same time
What is allelic frequency?
the number of times an allele occurs within a gene pool
What are some things that can cause genetic changes in an organism?
mutations, environmental changes, radiation, chemicals
When populations can't breed due to geographic separation it is called?
A gradual change over a long period of time leading to new species is called?
What is an adaptation?
a change in structures or behaviors, often inherited, that improves an organism's ability to survive
Adaptations can be either _________ or __________.
True or False: Individuals do not get to pick and choose their adaptations
True or False: Adaptations are qualities not present among some individuals in a population.
True or False: Luck is not a factor in whether an individual in a population inherits a particular trait
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