Natural Selection and Selective Breeding Corrections

Natural selection

• organisms better adapted to their environment tend to survive and produce more offspring

• process used by humans to develop new organisms with desirable characteristics

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Selective breeding

• organisms better adapted to their environment tend to survive and produce more offspring

• process used by humans to develop new organisms with desirable characteristics

Which is an example of selective breeding?

• A giraffe's long neck.

• Clipping a horse's tail so it's not too long.

• Training a horse to run faster.

• Cross breeding a labrador retriever with a poodle .

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

• genes.\

• variations

• traits

• alleles

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Which organisms are most likely to survive?

• The strongest

• The best adapted

• The fittest

• The most athletic

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Natural selection is where ___________ decides which traits should be passed on.

• nature

• a human

• traits

• evolution

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Selective breeding is where _____________ decides which traits should be passed on.

• nature

• a human

• traits

• evolution

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Which statement best describes natural selection?

• A lion eating another animal.

• A farmer selecting the cows that will breed.

• A dog breeder.

• A botanist creating a new colored flower.

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Over time, honey suckle flowers develop a sweet smell to attract pollinators. This is an example of

• selective breeding

• extinction

• natural selection

• evolution

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Why do peppered moths tend to be the same color as the trees on which they live?

• The coloring goes along with tasting like the tree. 
• It keeps the moth the same temperature as the tree. 
• It makes the moths faster than the birds
• It makes the moths harder to see.

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