Science- Inherited Traits & Natural Selection

Who Developed the Theory of Natural Selection?

• Sigmund & Freud

• Steve Irwin

• Charles Darwin

• Alfred Russel

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What is Natural Selection?

• A way animals learn to hunt for food.

• A process where the environment determines which animals survive and reproduce.

• A method of animal migration.

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Which of the following best explains how natural selection works?

• Animals with helpful traits are more likely to survive and pass those traits to their offspring.

• All animals in a species have identical characteristics.

• Only the strongest animals survive.

• All traits in animals are random and do not affect survival.

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In natural selection, individuals who are born with traits that help them survive in their environment are more likely to reproduce.

• true

• false

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What is adaptation?

• A bird flying to find food

• A dog barking loudly

• A camel storing water in its hump to survive in the desert

• A fish swimming in water

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Which of the following is an example of an inherited trait?

• A child learning to ride a bike

• A dog barking when it hears a noise

• A plant growing taller because it receives more sunlight

• A baby having blue eyes like one of its parents

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What is a dominant trait?

• The stronger trait

• The weaker Trait

If a female dog has brown fur and a male dog has white fur... what is the probability that their puppy will have brown fur?

• 1/4

• 1/2

• 3/4

• 1

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Natural selection caused more beetles to have green shells. If 90 beetles have green shells, while only 10 have brown shells, what is the ratio?

• 9:1

• 2:4

• 9/10

• 1/9

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Which of the following traits is most likely inherited from parents to offspring?

• A bird's learned song

• A rabbit's fur color

• A dog's ability to perform tricks

• A plant's height due to the amount of sunlight it gets

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