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Questions and Answers
What is a piece of evidence for evolution based on similarities in the early stages of embryo development among species?
What is a piece of evidence for evolution based on similarities in the early stages of embryo development among species?
- Differences in limb functions
- Homologous structures in adult species
- Presence of common ancestors (correct)
- Variations in DNA sequences
What does the presence of homologous structures in species indicate?
What does the presence of homologous structures in species indicate?
- Evolutionary split from a common ancestor (correct)
- Adaptation to environmental changes
- Different DNA sequences
- Limited population size
Why do species with more shared DNA sequences tend to be more closely related?
Why do species with more shared DNA sequences tend to be more closely related?
- Lack of variations in the population
- Shared common ancestor (correct)
- Genetic variation and adaptation
- Different functions for limbs
How can evolutionary trees help in understanding relationships between species?
How can evolutionary trees help in understanding relationships between species?
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Why is genetic variation important for a population's survival?
Why is genetic variation important for a population's survival?
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What can the lack of genetic variation lead to in a population?
What can the lack of genetic variation lead to in a population?
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