Ch. 13 Evolution Evidence

What is the value of a transitional fossil?

• Transitional forms show the evolutionary steps between species.

• Transitional forms are evidence of punctuated equilibrium.

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NGSS.MS-LS4-2

NGSS.MS-LS4-1

The forelimbs of humans, cats, whales, and bats are similar in structure due to having a common ancestor hundreds of millions of years ago. Is this considered homolgy or analogy?

• Homology

• Analogy

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NGSS.MS-LS4-2

What is an example of a vestigial structure in a human?

• liver

• appendix

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NGSS.MS-LS4-2

Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection
• embryology
• speciation
• evolution

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NGSS.MS-LS4-2

NGSS.MS-LS4-3

Predict which moth would increase in population

• light 
• dark

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

Scientists compare organisms' DNA to support the theory that all species share a common _________________

• separation
• ancestor
• population
• environment

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NGSS.MS-LS4-2

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

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NGSS.MS-LS4-1

NGSS.MS-ESS1-4

What conclusion can you draw from the fact that many modern whale species have vestigial pelvic and leg bones?

• The ancestors of whales may have been land mammals

• Whales could walk if they wanted to

• Whales are preparing to evolve into land animals

• Someday whales will be able to walk and will have legs

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NGSS.MS-LS4-2

NGSS.MS-LS4-1

What would happen if the Giraffes never evolve?

• they would survive
• They would thrive
• They would become extinct
• They will find another source of food

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

What are fossils?

• Are the remains or evidence of once-living organisms

• Is the change over time in populations of related organisms

• A chart that divides Earth’s history into different time units

• Occurs when the last individual organism of a species dies

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NGSS.MS-LS4-2

NGSS.MS-LS4-1