Evidence for Evolution

The similarities of the bones in the diagram provide evidence that---

• The organisms shown lived in the same natural envionrment
• The organisms shown may have developed from a common ancestor
• The organisms shown have the same genetic diseases
• All vertebrate species have identical forelimbs

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_________________ show clear changes in an organism over time, the environment organisms lived in, the time period the organism lived in, and where the organism lived.

• DNA

• Vestigial structures

• Fossils

• Homologous structures

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Which IS NOT used as evidence for evolution?

• Fossils

• Natural Selection

• Early Development/Embryos

• Body Structure/Anatomy

• DNA/Proteins

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NGSS.HS-LS4-1

Because whales have a pelvis and femurs, it shows whales are descended from an ancestor that was able to _____________________.

• walk

• sing

• swim

• polka

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What do we call the remains or evidence of remains of organisms that have died?

• homologous structures

• extinct species

• fossils

• genetic codes

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In the image, you will notice that humans, bats, whales, and cats all have similar parts to make up their arms. They are adapted to suit each species' environment. What do we call this kind of structure?

• vestigial structures

• analogous structures

• homologous structures

• fossilized structures

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NGSS.HS-LS4-1

True or False: Homologous structures show evidence for evolution because they show that these organisms had a common ancestor.

• True

• False

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NGSS.HS-LS4-1

Body part you have that use to have a purpose but now has little or no function

• vestigial organ

• embryology

• homologous structures

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The remnant of an organ that had a function in an early ancestor is known as a(n)

• vestigial structure
• analogous structure
• homologous structure
• fossil structure

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Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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