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Geology GL4 > Paeleontology > Flashcards

Flashcards in Paeleontology Deck (11)
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1

Fauna

animals

2

Flora

Plants

3

Biota

Animals and plants

4

unicells

single celled creatures

5

metazoans

multi-celled creatures

6

prokaryotytes

simplest life with no nucleus, essentially unicellular

7

Eukaryotytes

more complex life with cells with
nucleus. Includes metazoans.

8

when do the oldest fossils appear?

Cambrian

9

when do vertebrates appear?

devonian

10

when do mammals first appear?

Mezozoic

11

What caused stromatolytes?

Cyanobacteria form
layers where they trap
sediment. The resulting
structures are called
stromatolites.