Term
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Definition
cloud of gases start to compartmentalize and the pressure becomes so hard it creates a star.
No life on earth. |
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Term
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Definition
First traces of life-3.6 billion years ago
Earliest forms were prokaryotes (no nuclei). (blue green algae in sheets on ocean)
Stromataltes also exist.
No oxygen at beginning.
Then eukaryotes became (nucleic cell) |
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Term
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Definition
bunch of lifeforms (most will go extinct)
all of landmasses congeal, ocean levels higher than today. |
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Term
| Paleozoic Continental Tectonics |
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Definition
| Paleozoic continental tectonics: six land continents coalesce into gondwana and laurasia, and eventually coalesce into a single megacontinent pangea. |
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Term
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Definition
Everything is happening in the sea.
Chordates appear.
First vertebrates |
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Term
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Definition
Radiation of forms
Tetrapods
Movement onto dry land |
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Term
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Definition
| First amniotes-meaning you can leave water and have babies |
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Term
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Definition
First mammals and dinosaurs
First to have hinge like jaws
Tube for air gets separated from tube for food.
Broader variety of environments to live. |
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Term
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Definition
Dinos proliferate
Gymnosperms-like ferns
Split between placenta mammals from marsupials. |
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Term
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Definition
Birds emerge
First angiosperms
More varieties of mammals-aquatic
Gliding mammals |
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Term
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Definition
We go from pangea to many different continents.
Laurasia and gondawna go into pieces.
Big rocks hits, and you get……
Ugly shit that eats bugs, cause it crazy hard to kill a bug, |
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Term
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Definition
Major radiation of mammals
Dominant landforms were pleisidapiforms
Pleisiodapiforms dominated and may have led to primates
First hoofed animals |
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Term
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Definition
| Eocene was super hot, Oligocene was very cold. |
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Term
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Definition
| Paleozoic (early middle late); Mesozoic (Triassic, Jurassic, cretaceous); Cenozoic |
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Term
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Definition
| Paleocene, Eocene, Oligocene |
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Term
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Definition
| Miocene, Pliocene, Pleistocene, Holocene |
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Term
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Definition
Proloferation of primates.
Whales take to the sea. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
We get homo sapiens.
Increase in global temperatures. |
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Term
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Definition
| Marked by domestication of animals, language |
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Term
| Mammals: How are we different? |
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Definition
Homeothermy
Heterodontism: we need to chew cause it creates more surface area to digest foods, means more efficient way to provide your body fuel.
Higher intelligence: tend to have larger brains
Egg retention: keep eggs in bodies longer. Which protects the kids from predators. |
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Term
| Three different types of mammals |
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Definition
Monotremes
Placentals (eutherians) placenta to help keep your body from destroying the
parasites.
marsupials |
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