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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