Biology-Evolution & Classification

Darwin theorized that individuals having an advantage due to their traits or abilities will be more likely to survive and reproduce.  This theory is known as

• evolution
• speciation
• adaptation
• natural selection

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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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Remains of ancient organisms are called

• Extinctions
• Fossils
• Mutations
• Variations

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If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage

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the hind leg bones in a whale are examples of

• homologous structures
• analogous structures
• fossils
• vestigals

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What is the study of organisms at the early stages of development?

• DNA studies
• embryology 
• extinction
• fossil record

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What is this an example of?

• vestigial structures
• embryology
• homologous structures
• fossil record

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Which layer is the oldest?

• 1
• 2
• 3
• 4

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Structures in organisms that have the same function due to similar environmental pressures.

• Analogous Structure
• Homologous Structure
• Vestigial Structures

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Slow in steady change in a species

• Gradualism
• Punctuated Equilibrium 

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