Darwin Observed Several Different Types of Finches Why Are There So Many Different Types

Drawn observed several different types of finches. Why are there so many different types?

• Finches live in different places, but eat the same food.

• Finches live in the same place, but eat different types of food.

• Finches live in different habitats and eat different types of food.

• Finches are found all over the world.

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The differences among a species, like different bird beaks, are called

• genes.

• variations.

• traits.

• theories.

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Organisms with the most beneficial traits will survive.  This is commonly known as

• theory of evolution.
• variations.
• survival of the fittest.
• ecosystems.

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This scientist developed the theory of evolution as he studied the finches.

• Charles Darwin
• Isaac Newton
• Albert Einstein
• Marie Curie

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Changes of acquired traits of a species that allow for better survival.

• Variation

• Adaptation

• Behavior

• Environment

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Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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A population of trees has various heights. Shorter trees have leaves and flowers that are within reach for herbivores to eat.

The adaptation that allows the trees to grow taller would be an example of natural selection if it helps them ―

• increase the number of mutations in their DNA

• increase the lifespan of each individual tree

• increase the chances of surviving to produce offspring

• increase the odds of producing genes for short trees

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What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 
• No, they change because of natural selection

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