Structures Flashcards
1
Q
what is a homologous structure?
A
homologous structures are structures which are different, possess a different function and come from a common ancestor.
2
Q
what is a analogus structure?
A
analogous structures are structures that are dissimilar in structure, similar in function however not from a common ancestor due to the fact they evolved separately in response to the organisms environment.
3
Q
what is a vestigial structure?
A
a structure or organ that has no apparent function in an organism and is a marker of evolutionary descent.
