evolution Flashcards
1
Q
what’s palaeontology
A
the study of ancient life
2
Q
problems w incomplete fossils
A
only hard parts stay
fossils only form under certain conditions
3
Q
show the palaeontology tree of life
A
unicellular- algae
/
multicellular-soft bodies
/
vertebrates-armoured
/
fish—-reptiles- crocs
/
dinosaurs
|
birds
/
primitive amphibians
/
mammals
4
Q
example of an analogous structure
A
streamline appendages
5
Q
example of homologous structures
A
pendactyl limbs