Natural Selection and Adaptations
Explore the concepts of natural selection and adaptations, including how species evolve over time to better suit 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. What is the main idea behind natural selection?
All organisms are created perfectly adapted to their environment.
Organisms with favorable traits are more likely to survive and reproduce.
Organisms can choose to adapt to their environment during their lifetime.
The strongest organisms always survive, regardless of their traits.
2. An adaptation is a trait that helps an organism:
Change its physical appearance instantly.
Survive and reproduce in its environment.
Live forever without aging.
Travel to different planets.
3. The process by which organisms that are better adapted to their environment tend to survive and produce more offspring is called .
4. A physical or behavioral characteristic that helps an organism survive in its environment is an .
5. Explain how the beaks of Galapagos finches are an example of natural selection and adaptation. Refer to the image below.
6. All mutations are harmful to an organism.
True
False
7. Adaptations develop over many generations.
True
False
Use the words below to complete the sentences.
8. Within a population, there is among individuals.
9. Organisms with traits that are beneficial for their are more likely to have higher rates of and .