Evidence of Evolution

Front

Fossils are the preserved ____ of once living organisms.

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remains

Front

Which of the following is NOT a homologous structure? Human arm and bat wing, Whale flipper and cat leg, Bird wing and insect wing, Human leg and cat leg.

Back

Bird wing and insect wing

Front

The study of the early stages of development that is one evidence of evolution is: Homologous Structures, Embryology, Vestigial Organs.

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Embryology

Front

What is this an example of? (Image of a human arm and a bat wing)

Back

homologous structures

Front

If the early stages of embryo development are very similar, what does it suggest about the organisms? They are unrelated, They share a common ancestor, They are different species, They have different habitats.

Back

They share a common ancestor

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What are homologous structures?

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Structures in different species that are similar due to shared ancestry.

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What are vestigial structures?

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Body parts that have lost their original function through evolution.

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What is embryology?

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The study of embryos and their development, providing evidence for evolution.

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What does the fossil record show?

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It provides evidence of the history of life and evolutionary changes over time.

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What is natural selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.