Evidence for Natural Selection

What is the fossil record?

• The fossil record is a record of all the earthquakes and volcanic eruptions in history.

• The fossil record is the collection of all the preserved remains and traces of past life found in the Earth's rocks and sediments.

• The fossil record is a database of all the living organisms on Earth.

• The fossil record is a collection of ancient artifacts and tools used by early humans.

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What are homologous structures?

• Structures that are only found in humans.

• Structures that are only found in plants.

• Structures that have no similarities and are found in different species.

• Similar structures found in different species that share a common ancestor.

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What are vestigial organs?

• Organs that have gained new functions through evolution.

• Organs that are essential for survival.

• Organs that have developed recently in humans.

• Organs or structures that have lost their original function through evolution.

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NGSS.MS-LS4-2

What does embryology study?

• Botany

• Meteorology

• Embryology

• Zoology

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What is genetic evidence?

• Information obtained from studying an individual's physical traits or characteristics.

• Information obtained from studying an individual's DNA or genetic material.

• Information obtained from studying an individual's RNA or genetic material.

• Information obtained from studying an individual's medical history or family background.

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Which subtopic of evidence for evolution focuses on the study of vestigial organs?

• Comparative Anatomy

• Embryology

• Genetics

• Paleontology

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Does the presence of homologous structures in genetically different animals suggest common ancestry?

• Yes

• No

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What type of evidence are shown in the picture above?

• Fossils

• Embryology

• Homologous Structures

• Vestigial Structures

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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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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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