Bio Ii - Major Events In Evolution

Front 1

Origin of life

Back 1

Hadean (3.6 GA)

Hint 1

Precambrian

Front 2

First evidence for life

Back 2

Archaean (3.4 GA)

Hint 2

Precambrian

Front 3

Evidence for oxygenic photosynthesis

Back 3

Proterozoic (2.2 GA)

Hint 3

Precambrian

Front 4

First eukaryotes

Back 4

Proterozoic (1.5 GA)

Hint 4

Precambrian

Front 5

First animals (soft bodied)

Back 5

Late Proterozoic (550 MY)

Hint 5

Precambrian

Front 6

First animals (hard parts)

Back 6

Cambrian (540 MY)

Hint 6

Paleozoic

Front 7

First chordates

Back 7

Cambrian (525 MY)

Hint 7

Paleozoic

Front 8

First jawless fish

Back 8

Ordovician (470 MY)

Hint 8

Paleozoic

Front 9

First fungi

Back 9

Ordovician (450 MY)

Hint 9

Paleozoic

Front 10

First land plants

Back 10

Ordovician (440 MY)

Hint 10

Paleozoic

Front 11

First bony fish

Back 11

Silurian (410 MY)

Hint 11

Paleozoic

Front 12

First insects

Back 12

Devonian (400 MY)

Hint 12

Paleozoic

Front 13

First seed plants (gymnosperms)

Back 13

Devonian (360 MY)

Hint 13

Paleozoic

Front 14

First reptiles

Back 14

Carboniferous (340 MY)

Hint 14

Paleozoic

Front 15

First dinosaurs

Back 15

Triassic (220 MY)

Hint 15

Mesozoic

Front 16

First mammals

Back 16

Jurassic (200 MY)

Hint 16

Mesozoic

Front 17

First birds

Back 17

Jurassic (130 MY)

Hint 17

Mesozoic

Front 18

First flowering plants (angiosperms)

Back 18

Cretaceous (110 MY)

Hint 18

Mesozoic

Front 19

Earliest homonids

Back 19

Pliocene (3.2 MY)

Hint 19

Cenozoic