Evidence of Evolution Review Video Questions

What is a scientific theory?

• A story about animals

• An explanation tested and supported by evidence

• A type of plant

• A guess about the natural world

What is a scientific theory?

• A guess about the natural world

• A type of plant

• An explanation tested and supported by evidence

• A story about animals

What is an embryo?

• A fertilized egg that has not yet divided.
• An embryo is the early developmental stage of a multicellular organism.
• A type of plant seed that has germinated.
• A fully developed organism ready for birth.

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What is a homologous structure?

• A homologous structure is an anatomical feature in different species that originates from a common ancestor.
• A homologous structure is an anatomical feature that evolves independently in different species.
• A homologous structure is a feature that serves the same function in different species.
• A homologous structure is a type of genetic mutation found in various organisms.

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What is a vestigial structure?

• A vestigial structure is a completely new organ that appears in descendants.
• A vestigial structure is a fully functional organ in modern species.
• A vestigial structure is an organ that has evolved to serve a new purpose.
• A vestigial structure is a remnant of an organ or structure that had a function in an early ancestor.

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What is a material that humans cannot digest?

• Fat
• Protein
• Cellulose
• Starch

Why do humans no longer use the appendix?

• Humans no longer use the appendix because it has become a vestigial organ with no significant digestive function.
• Humans use the appendix for storing beneficial bacteria.
• The appendix is essential for producing digestive enzymes.
• The appendix helps in the absorption of nutrients.

Why do embryos of different species look similar?

• They are all the same species

• They are related to a common ancestor

• They live in the same environment

• They eat the same food

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What are homologous structures?

• Structures with similar structures but different functions

• Structures that are not related

• Structures that are invisible

• Structures that are exactly the same

Why do embryos of different species look similar?

• They are all the same species

• They share a common ancestor

• They are not related at all

• They live in the same environment

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