Evolution Review 24

Front

What is the primary reason for the evolution of differently shaped beaks in Galapagos finches?

Back

They adapted to eating different types of food.

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How does genetic variation influence an organism's adaptability to its environment?

Back

It increases the organism's ability to adapt.

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What does the discovery of similar fossils in Australia and southern Asia suggest about their geological history?

Back

Australia and Asia were once part of a larger continent.

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What is a major reason for the gaps in the evolutionary history of Earth's life forms?

Back

Many organisms died without leaving behind fossil remains.

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Front

How do the populations of brown and green grasshoppers change over time in a grassland ecosystem?

Back

The population of brown grasshoppers will decrease rapidly, while the population of green grasshoppers will decrease gradually.

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Front

What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

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Front

Define adaptation in the context of evolution.

Back

Adaptation is a trait that helps an organism survive and reproduce in its environment.

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What role do fossils play in understanding evolutionary history?

Back

Fossils provide evidence of past life forms and their evolutionary changes over time.

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Explain the concept of a common ancestor in evolutionary biology.

Back

A common ancestor is an ancestral species from which multiple species have evolved.

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What is the significance of genetic variation in a population?

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Genetic variation is crucial for a population's ability to adapt to changing environments.

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