Natural selection and Artificial Selection

What is variation

• Variation is the process of act or change

• a dog eating

• a cat sleeping

• a act of changing while sleeping

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The difference between individuals

of the same species

• Any difference between individuals of the same species is called a variation

• Natural Selection

• Extinction

• Artificial Selection

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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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Selective breeding

• establishes and maintains certain stable traits that animals will pass to the next generation.

• train

• genotype

• phenotype

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What is an example of artificial selection?

• Letting dogs choose their own mate

• Letting plants pollinate on their own

• Crossing a Labrador and a poodle to create a labradoodle

• letting a tree fall

Artificial selection takes

• a shorter period of time than natural selection

• a longer period of time than natural selection

• the same amount of time as natural selection

• Way longer than a decade

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The long and sharp beak of a woodpecker is an example of:

• Natural Selection, to reach food supply

• Selective Breeding, to make a louder noise.

• natural to get the beak for looks

• To cut the wood for his house

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How do adaptations help animals?

• To escape animals
• to hunt for food
• to survive in their habitats
• All of these are correct

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Breeding from too small of a gene pool can lead to the following

• Passing on of undesirable characteristics

• Trying to make a wolf eat a car

• Hibernating animals

• a cat

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Examples of Selective

Breeding

• Carrots in many different colors

• A dog sleeping under a rock

• A board getting cut

• A cat chasing a dog

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