Natural Selection Notes

How can you identify changes in genetic traits over several generations?

• By observing physical characteristics in a family tree

• By counting the number of individuals in each generation

• By measuring the environmental temperature changes over time

• By comparing the number of species in different ecosystems

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What are the differences between natural selection and selective breeding?

• Natural selection involves human intervention, while selective breeding does not

• Selective breeding involves human intervention, while natural selection does not

• Natural selection and selective breeding are the same

• Selective breeding can occur without any living organisms

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What are genetic traits?

• Skills that are learned from the environment

• Characteristics that are passed on from your parents

• Diseases that can be transmitted through contact

• Preferences in food and music

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What carries the information that determines your traits?

• Chromosomes in your cells

• Genes in your cells

• Proteins in your diet

• Memories from your experiences

Can both plants and animals inherit traits from their parents?

• Only animals can inherit traits

• Only plants can inherit traits

• Neither plants nor animals can inherit traits

• Both plants and animals can inherit traits

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What does the image of the puppies illustrate about genetic traits?

• Puppies from the same parents will always look identical

• Puppies from the same parents can have different traits

• Puppies can only inherit traits from one parent

• Puppies' traits do not depend on their genetic makeup

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For what is Charles Darwin famous?

• Inventing the telephone

• His work on natural selection

• Discovering gravity

• Writing about space exploration

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How many years did Charles Darwin spend doing research on his ship the HMS Beagle?

• 3 years

• 5 years

• 7 years

• 10 years

What is an adaptation?

• A change in the weather patterns that affects an environment.

• A body part, feature, or behavior that helps a living thing survive and function better in its environment.

• A process by which animals actively change their environment to suit their needs.

• A seasonal migration pattern that animals follow each year.

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Which of the following is an example of an adaptation in animals?

• A duck's webbed feet for swimming.

• A pufferfish's ability to play dead.

• A cheetah's spots for camouflage.

• All of the above.

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