Analogous vs. Homologous Structures Flashcards
1
Q
what does analogous mean?
A
performing a similar function but having a different evolutionary origin
2
Q
what does homologous mean?
A
similar in position, structure, and evolutionary origin but not necessarily in function
3
Q
what are the similarities and differences between analogous and homologous?
A
- both are comparing different similarities between organisms
- analogous is similar in function but not ‘looks’, homologous is similar looks wise but different function wise
4
Q
what is an example of analogous?
A
the wings of insects and birds
5
Q
what is an example of homologous?
A
a birds wing and a human arm - have similar positions and numbers of bones
