Evidence For Evolution Flashcards
1
Q
What are vestigial structures?
A
Vestigial structures are anatomical features that have been retained through a species’ evolution but have lost their ancestral function, e.g. The pelvis in whales…
2
Q
What are Homologous structures?
A
Homologous structures are structural similarities present as a result of common ancestry. The common structural components have been adapted to different purposes in different taxa.
3
Q
Key idea of fossils…
A
Fossils are the preserved remains or traces of organisms. May provide a record of the appearance and extinction of organisms over time.
