Paeleontology Flashcards
1
Q
Fauna
A
animals
2
Q
Flora
A
Plants
3
Q
Biota
A
Animals and plants
4
Q
unicells
A
single celled creatures
5
Q
metazoans
A
multi-celled creatures
6
Q
prokaryotytes
A
simplest life with no nucleus, essentially unicellular
7
Q
Eukaryotytes
A
more complex life with cells with
nucleus. Includes metazoans.
8
Q
when do the oldest fossils appear?
A
Cambrian
9
Q
when do vertebrates appear?
A
devonian
10
Q
when do mammals first appear?
A
Mezozoic
11
Q
What caused stromatolytes?
A
Cyanobacteria form layers where they trap sediment. The resulting structures are called stromatolites.