Term
| What was the rapid expansion and cooling of matter creating the elements? |
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Definition
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Term
| Early heavy metals formed what? |
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Definition
| Early and 2nd generation stars |
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Term
| What generation of stars is the sun? |
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Definition
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Term
| All elements are formed from... |
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Definition
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Term
| How long ago did the solar system and Earth form? |
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Definition
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Term
| What created the Earth and the moon? |
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Definition
| The collision of Thea and Terra |
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Term
| Why is the earth able to support life? |
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Definition
| It is a good distance from the sun allowing to maintain livable temperatures |
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Term
| Earth is a ____ planet without a lot of _______ gas. |
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Definition
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Term
| What allows for the Earth's seasons? |
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Definition
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Term
| Earth has a _______ mass. |
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Definition
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Term
| What period is the early period with a harsh earth full of lava and the beginnings of life? |
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Definition
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Term
| Who discovered how a planet could create life? |
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Definition
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Term
| Who made a collecting device, simulated lightening, and created organic molecules? |
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Definition
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Term
| What made the creation of life possible in the archeozoic but not currently? |
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Definition
| A small presence of oxygen that now stifles chemical origin of life |
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Term
| What is the first step of the beginnings of life? |
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Definition
| Abiotic Synthesis, formation of simple organic molecules |
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Term
| What is the second step of the beginnings of life after abiotic synthesis? |
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Definition
| Polymerization, molecules form polymers |
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Term
| What is the third step of the beginnings of life after polymerization? |
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Definition
| Aggregation, polymers interact |
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Term
| What is the fourth step of the beginnings of life after aggregation? |
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Definition
| Origin of genetic code, RNA allows sacs to make copies of themselves |
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Term
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Definition
| Organic molecules surrounded by a membrane |
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Term
| What is the fifth step of the beginnings of life after origin of genetic code? |
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Definition
| Conquest of energy, formation of ATP |
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Term
| What was the place though to be life's origins? |
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Definition
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Term
| What were the first lifeforms? |
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Definition
| Anerobic bacteria which some were photosynthetic |
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Term
| What is the theory of the endosymbiant? |
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Definition
| Some bacteria were captured by others to become chloroplasts and mitochondria |
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Term
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Definition
| Cyanobacteria that lived in the past that haven't changed through geologic time |
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Term
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Definition
| Chandra, seeds of life on Earth from space are amino acids that got it started |
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Term
| Who wrote a book about panspermia? |
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Definition
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Term
| In the late Archeozoic, Proterozoic cells become more common. What are these? What do they establish> |
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Definition
| eukaryotes, heterotrophism |
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Term
| What occurs at the end of the archeozoic that killed many organisms? |
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Definition
| Total ice coverage except for hydrothermal vents |
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Term
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Definition
| Last universal common ancestor of species that lived in the paleozoic |
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Term
| What was the cambrian explosion? |
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Definition
| Great expanse of live at the beginning of the paleozoic |
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Term
| What are the ancestors of animals that give rise to multicellular organisms? |
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Definition
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Term
| What did Walcot discover? |
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Definition
| The Burgess Shale, massive fossil area |
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Term
| Most phyla of animals first existed in the _____ period? |
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Definition
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Term
| What is the ordovician period? |
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Definition
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Term
Name the period
trolobites
Crinoids
Early vertebrates
primitive plants |
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Definition
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Term
| What is the Silurian period? |
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Definition
| plants that invade the land followed by animals |
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Term
Name the period
plants and arthropods, Eurypterids - giant scorpions that went extinct, ostracoderms - armored jawless fishes |
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Definition
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Term
| What is the Devonian period? |
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Definition
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Term
Name the period
some fish had lungs while others didn't, first amphibians form sarcopterigians, plants are mossy and recognizable |
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Definition
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Term
| What is the Carboniferous period? |
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Definition
| combination of the Mississippian and Pennsylvanian |
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Term
Name the period
amphibians spread, horsetails and giant ferns, salamandes ruled |
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Definition
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Term
| What was the Permian period? |
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Definition
| Massive extinction at the end |
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Term
Name the period
cooldown brings massive deserts
reptiles becomes more common
mammal-like reptiles appear
Giant insects disappear |
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Definition
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Term
| What was the Mesozoic Era? |
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Definition
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Term
| What was the triassic period? |
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Definition
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Term
Name the period
Reptiles flourish along with ferns, cycads and conifers
Formation of Pangea
Archaic reptiles
Minor extinction events caused by methane release in bottom of oceans, astroids, and magnetic pole shifts |
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Definition
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Term
| What was the Jurassic period? |
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Definition
| 180 million years ago dinosaurs dominated |
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Term
Name the period
most dinosaurs were small
Large herbivores
mammals were hidden |
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Definition
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Term
| What is Archaeopteryx lithographia? |
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Definition
| transitional fossil between reptiles and birds |
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Term
| What was the Cretaceous period? |
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Definition
| breakup of super continent and time of dying |
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Term
Name this period
Familiar dinosaurs
Rise of angiosperms with fall of dinosaurs |
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Definition
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Term
| What is thought to be the end of the Cretaceous period? |
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Definition
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Term
| What is the Cenozoic Age? |
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Definition
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Term
| What is the Paleocene Epoch? |
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Definition
| Recovery period after the asteroid impact |
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Term
Name the time
Archaic mammals spread without dinosaurs
Birds of flight and w/o flight
massive flightless birds dominanted
Flowers increase greatly, formation of wood |
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Definition
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Term
| What is the Eocene epoch? |
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Definition
| land bridges between continents |
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Term
Name the time period
Takeover of placental mammals
group of mammals evolve backwards into the seas |
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Definition
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Term
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Definition
| Large flightless birds of the Paleocene epoch |
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Term
| What happens in the Oligocene epoch? |
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Definition
| Whales evolve and become recognizable with horses |
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Term
Name the time period
first primates
very large mammals
foraminiforans were large |
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Definition
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Term
Name the time period
Grasslands form herbivores with stronger teeth
saber-tooth cats and other predators
horse and camel ancestors migrate |
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Definition
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Term
Name the time period
peak of mammals
first true hominids |
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Definition
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Term
name the time period
interglacial period
recognizable animals
elephants evolve, manatees form and wooly mammoths
sea lions, walruses, and seals evolve from otters |
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Definition
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Term
Name the time period
human takeover of the world |
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Definition
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