Natural Selection and Adaptations
Explore the principles of natural selection and how organisms develop adaptations to their environment.
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Natural Selection and Adaptations
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a principle of natural selection?
Variation within a population
Inheritance of acquired traits
Differential survival and reproduction
Overproduction of offspring
2. An adaptation is best described as a trait that:
Is acquired during an organism's lifetime.
Helps an organism survive and reproduce in its environment.
Is always visible and physical.
Is identical in all members of a species.
1. Natural selection always leads to more complex organisms.
True
False
2. Genetic variation is essential for natural selection to occur.
True
False
1. Charles Darwin proposed the theory of .
2. Organisms that are better adapted to their environment are more likely to and .
1. Explain the role of variation in a population for natural selection to occur.
2. Describe how the beak shapes of Darwin's finches are an example of adaptation.
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