𧎠Evolution Evidence Simulator
Discover the scientific evidence for evolution
1. Homologous Structures
Homologous structures are anatomical features that are similar in different species because they share a common ancestor.
Did you know? The human arm, cat leg, whale flipper, and bat wing all have the same bone structure: one upper bone, two lower bones, and five digits!
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2. Vestigial Organs
Vestigial organs are remnants of structures that were functional in ancestors but are reduced in modern species.
Did you know? Humans have about 86 vestigial structures! Some snakes still have tiny leg bones inside their bodies from their lizard ancestors.
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3. Transitional Fossils
Transitional fossils like Archaeopteryx show intermediate features between dinosaurs and birds.
Did you know? Archaeopteryx lived 150 million years ago and is one of the most famous transitional fossils, showing features of both dinosaurs and modern birds.
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4. Embryonic Development
Embryonic development shows similarities in early stages across vertebrates, supporting common descent.
Did you know? Human embryos temporarily have gill slits and tails, which later develop into other structures or disappear entirely!
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ð Test Your Knowledge - Quiz
Answer these questions to reinforce your learning about evolution evidence: