Evolution

Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein

• Charles Darwin

• Charles Barkley

• Isaac Newton

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The gradual change in species over time is

• evolution

• nucleotide

• adaptation

• natural selection

When the last member of a species dies, the species is

• adapted

• extinct

• fossilized

• mutated

The white feathers of a snowy owl allow it to blend in with its environment during the winter months. This is an example of an

• species

• environmental change

• adaptation

• variation

Genetic differences among organisms of the same species

• variation

• adaptation

• behavior

• environment

What is an advantage for finches having different shaped beaks?

• to look different from other species

• to be able to eat the food readily available in the environment

• protection against predators

• protection from prey

The struggle to survive against other organisms is

• competition

• speciation

• gene flow

• genetic drift

Remains of ancient organisms are called

• Extinctions

• Fossils

• Mutations

• Variations

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What is evolution?

• Traits and organisms change slowly over a long period of time

• Humans select certain traits and breed for them

• Organisms never change based on their environments

• Humans manipulate DNA to cause change

What was Darwin's hypothesis about the different beaks he observed on the Galapagos finches?

• Different food sources selected for different beak styles

• Different breeding habits selected for different beak styles

• All the finches had always had different beak styles

• He saw no differences in their beaks