Darwin & Natural Selection

Even though a hawk and falcon are two different species of birds, they have similar beaks. What does that tell you about both birds?

• They have the same type of nests

• They live in the same trees

• They eat the same type of food.

• They are hybrid

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From studying fossils, scientists have developed a timeline of life on earth. What is that timeline called?

• The theory of evolution

• Natural selection

• The cell theory

• The fossil record

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Which could be considered fossils?

• Footprints hardened in rocks

• Imprints of shells in rocks

• Bones buried deep in the earth

• Stories passed down from generation to generation

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This pictures shows how Eohippus has changed over time to become a modern day horse. What is this chart an example of?

• Evolution

• Extinction

• Mitosis

• Cellular respiration

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The preserved remains of physical evidence of an organism that lived in the past are called...

• Variations

• Fossils

• Mutations

• Vestigial traits

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Organisms that have been found in the fossil record, but are no longer alive today are said to be...

• evolved

• extinct

• threatened

• endangered

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When a DNA sequence is copied, sometimes mistakes occur in the new strand of DNA. What do we call those mistakes?

• Adaptations

• Evolution

• Mutations

• Natural Selection

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Who said evolution happens as a result of natural selection?

• Watson

• Crick

• Franklin

• Darwin

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What is the process called where individuals that are better adapted to their environment survive and reproduce more successfully than others do?

• Natural Selection

• Genetic Resistance

• Genetic Drift

• Species Separation

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The process where populations change over time is called?

• evolution

• adaptation

• selective breeding

• speciation

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