Questions and Answers
What is the term for a trait that helps an organism survive and reproduce?
adaptation
What principle describes that individuals in a population with competitive advantages are more likely to survive?
natural selection
Survival of the Fittest is also known as what?
natural selection
What term describes different kinds of the same species that look different?
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What is an organism that has similar characteristics and can reproduce called?
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How do fossils support evolution?
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How do variations in a population occur?
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A mutation always results in an adaptation.
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The picture below is possible due to the ______ record.
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Why is mimicry beneficial or advantageous to a species?
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Study Notes
Key Terms and Definitions
- Adaptation: A trait that enhances an organism's ability to survive and reproduce in its environment.
- Natural Selection: The process where individuals with advantageous traits are more likely to survive and reproduce, leading to the prevalence of those traits in a population.
- Survival of the Fittest: A common phrase synonymous with natural selection, indicating that only the organisms best suited to their environment thrive.
- Variation: Differences among individuals within the same species, which can include physical appearances and traits.
Concepts Related to Evolution
- Species: Groups of organisms with similar characteristics that can interbreed and produce offspring.
- Fossils and Evolution: Fossils provide evidence of evolutionary changes, showcasing transitions in bone structure over time to illustrate species' adaptations and lineage.
- Inherited Traits: Variations in a population stem from inherited characteristics passed from one generation to the next, influencing evolution.
Mutations and Adaptations
- Mutations: Not all mutations lead to beneficial adaptations; they must be advantageous to be considered as adaptations. An example is albinism, which is often disadvantageous.
- Fossil Record: The fossil record serves as a historical account of life on Earth, offering insights into the progression and changes in various species.
Ecology and Survival Strategies
- Mimicry: A survival strategy where a species evolves to imitate the appearance or behavior of another, providing advantages such as avoiding predators or enhancing reproductive success.
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Description
Test your understanding of important concepts related to evolution, including natural selection, adaptation, and species variation. This quiz covers key terms that explain how organisms evolve and survive in their environments. Explore the foundational principles that govern evolutionary biology.
