Read Chapters 18, 19, and 20 of the textbook (link: https://openstax.org/books/biology/pages/18-introduction)
An adaptation (or adaptive trait) is a trait/characteristic that has evolved in a population of organisms that provides a functional advantage. Adaptations increase the biological fitness of a population. Fitness is defined as the ability to survive and pass genes on to subsequent generations.
For the purposes of this paper,
- Choose an adaptive trait common to more than one species. For example, birds and bats both have wings.
- Describe what makes this trait an adaptation.
- Briefly describe how the trait evolved; e.g., mutation, genetic drift, migration, and/or natural selection. Be sure to support your answer with evidence.
- What is the difference between homologous and analogous traits? How does your trait of choice fit either of these descriptions?
- What are convergent and divergent evolution?
- Describe whether the trait is a result of convergent or divergent evolution.
Be sure to use in-text citation and provide references for your sources, including textbooks.
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