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66 Ma: all dinosaurs all extinct

from 66 Ma: mammals become dominant species on the earth

63 Ma: carnivorous mammals

60 Ma: diverse range of flightless birds, primates

55 Ma: modern birds, first whale , earliest rodents

52 Ma: bats appear

35 Ma: grasses evolve from angiosperms, many modern animals appear

30 Ma: pigs and cats appear

25 Ma: first deer

20 Ma: first giraffes, hyenas, bears and giant anteaters

6.5 Ma: first hominin (sahelanthropus)

2 Ma: first genus of homo

200 Ka: modern humans

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225 Ma: first dinosaur

200 Ma: first virus

155 Ma: blood sucking insects

130 Ma: rise of angiosperm, plant that attracts insects

106 Ma: largest theropod dinosaur appears in fossil record

100 Ma: earliest bees

90 Ma: earliest snakes, more types of angiosperm plants

80 Ma: first ants

70 Ma: mammals increase in diversity

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535 Ma: big diversity of living orginisms in the ocean

530 Ma: first foot prints of animals

434 Ma: first plants to move onto the earth's surface

420 Ma: ray finned fishes and land scopians

410 Ma: signs of teeth in fish

360 Ma: first crabs and ferns,

350 Ma: first sharks, rat-fishes and hag-fish

305 Ma: first reptiles

280 Ma: first beetles

251.4 Ma: 90-95% of marine species extinct

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the phanerozoic era is divided into three sub era's (paleozoic 542 Ma- 251 Ma) (mesozoic 251.4 Ma- 67 Ma) and (cenozoic 66 Ma- present)

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1850 Ma: eurayotic cells appear.

1200 Ma: meiosis and sexual reproduction appear in singled celled eukaryotes, and in the ancestors of all eukaryotes.

1200 Ma: multicelluar organisms evolve ( red algae)

750 Ma: first protozoa

600 Ma: ozone layer formation, organism needed some chemical reaction to produce ultraviolet radition

560 Ma: earliest fungi

550 Ma: fossil evidence for jellies,sea sponges, corals and anemones

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4000 Ma: greenstone belt is formed

3900- 2500 Ma: first cells appear called chemoautotrophs, use carbon dioxide to make their food. the cells keep evolving

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4600 Ma :The planet earth forms, revolving around the sun.

4500 Ma: The moon is form when planet earth and planet theia collide, sending lots of rocks in the earths orbit, they join together and form the moon

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darwin was an unpaid naturalist on the hms beagle for 5 years, during that 5 years he collected samples of species. he had 13 finches. all the finches resembled one another but were all a different species because of their beaks

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george cuveir was a French zoologist, curviers theory is that if life is wiped out by a catstrophe then new life is created

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jean-baptise de lamarck was a french naturalist , lamarks theory of evolution was that if a giraffe was reaching for leafs on a tree that it couldnt reach then the giraffes neck would grow longer so the giraffe could reach the leafs