earth’s eras 6t

Geologic Timeline

3R

*Write things

that are in

black for our

notes.

Put the following in order from oldest to most recent

•First birds

•1.Earth’s formation

•3.First fish

•First mammals

•First land plants

•9.First humans

•First reptiles

•First insects

•2.`First living organism (single cell).

Put the following in order from oldest to most recent

•First birds

•1. Earth’s formation

•First fish

•First mammals

•First land plants

•9. First humans

•First reptiles

•First insects

•2. First living organism (single cell)

Glue onto the LEFT side of 3r

3R3L

Geologic Timeline

Earth’s Eras

•Precambrian (oldest)

•Paleozoic

•Mesozoic

•Cenozoic (now)

Precambrian

Pre

cam

bri

an

4,600 mya Earth was formed

Precambrian

Pre

cam

bri

an

Earth was formed

Precambrian

Pre

cam

bri

an

First living organism (single cell)

rise in oxygen in atmosphere

Earth was formed

Paleozoic

Pre

cam

bri

an

Pa

leozoic

Paleozoic

Pre

cam

bri

an

Pa

leozoic

• 400 mya first insects

• 530 mya first fish

• 300 mya first reptiles

• 450 mya first land plants

Paleozoic

Pre

cam

bri

an

Pa

leozoic

• 400 mya first insects

• 530 mya first fish

• 300 mya first reptiles

• 450 mya first land plants

first fish

Paleozoic

Pre

cam

bri

an

Pa

leozoic

• 400 mya first insects

• 530 mya first fish

• 300 mya first reptiles

• 450 mya first land plants

first land plants

Paleozoic

Pre

cam

bri

an

Pa

leozoic

• 400 mya first insects

• 530 mya first fish

• 300 mya first reptiles

• 450 mya first land plants

first insects

Paleozoic

Pre

cam

bri

an

Pa

leozoic

• 400 mya first insects

• 530 mya first fish

• 300 mya first reptiles

• 450 mya first land plants

first reptiles

Mesozoic

Pre

cam

bri

an

Pa

leozoic

Meso

zoic

Mesozoic

Pre

cam

bri

an

Pa

leozoic

Meso

zoic

• 130 mya first flower

• 200 mya first mammals

• 150 mya first bird

Mesozoic

Pre

cam

bri

an

Pa

leozoic

Meso

zoic

• 130 mya first flower

• 200 mya first mammals

• 150 mya first bird First mammal

Mesozoic

Pre

cam

bri

an

Pa

leozoic

Meso

zoic

• 130 mya first flower

• 200 mya first mammals

• 150 mya first bird

First bird

Mesozoic

Pre

cam

bri

an

Pa

leozoic

Meso

zoic

• 130 mya first flower

• 200 mya first mammals

• 150 mya first bird

first flower

Cenozoic

Pre

cam

bri

an

Pa

leozoic

Cen

ozoic

Meso

zoic

Cenozoic

Pre

cam

bri

an

Pa

leozoic

Cen

ozoic

Meso

zoic

• 0.2 mya first homosapien

• 60 mya first primates

Cenozoic

Pre

cam

bri

an

Pa

leozoic

Cen

ozoic

Meso

zoic

• 0.2 mya first homosapien

• 60 mya first primates

first primates

Cenozoic

Pre

cam

bri

an

Pa

leozoic

Cen

ozoic

Meso

zoic

• 0.2 mya first homosapien

• 60 mya first primates

first homosapien

Geologic Timeline

Pre

cam

bri

an

First living organism (single cell)

rise in oxygen in atmosphere

Earth was formed

Pa

leozoic

Meso

zoic

Cen

ozoic

First fish

First land plant

First insect

First reptile

First mammal

First bird

First flower

First primate

First homosapien