What are vestigial structures?
Comparative Anatomy

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•
Biology
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Remnants of organs or structures that were functional in ancestral species but are no longer useful.
2.
FLASHCARD QUESTION
Front
What role do vestigial structures play in understanding evolution?
Back
They provide evidence of an organism's evolutionary history.
3.
FLASHCARD QUESTION
Front
Why do vestigial structures provide evidence of evolutionary history?
Back
They indicate organisms have evolved from ancestors with different needs and lifestyles.
4.
FLASHCARD QUESTION
Front
What are analogous structures?
Back
Structures that have similar functions but different evolutionary origins.
5.
FLASHCARD QUESTION
Front
Why are analogous structures important in the study of evolution?
Back
They suggest that organisms independently evolved similar solutions to environmental challenges.
6.
FLASHCARD QUESTION
Front
Give an example of an analogous structure.
Back
The wings of birds and insects.
7.
FLASHCARD QUESTION
Front
What is the significance of homologous structures in comparative anatomy?
Back
They indicate common ancestry among different species.
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