Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
Protobionts
|
packaging membranious organisms with different internal temperature than the outside world. (Considered the origin of life)(Abioticaly produced)
|
|
|
life
|
accurate feproduction and metabolism.
|
|
|
liposomes
|
lipids and water (probionts)
|
|
|
RNA
|
first genetic material
|
|
|
Index fossils
|
fossils found in same strata but in different locations
|
|
|
radiometric dating
|
decay of radioactive isotopes used to measure the age of fossils.
|
|
|
half-life
|
the number of years for 50% of original sample to decay.
|
|
|
Permian extinction
|
the extenction of the dinosaurs and 96 percent of marine life due to either a meteor or a volcano.
|
|
|
serial endosymbiosis
|
sequence of endosymbiotic events.
|
|
|
gametic annealing
|
horizontal gene transfer between different bacterial and archean linneages.
|
|
|
snowball earth hypothesis
|
hypothesis that the earth needed heat.
|
|
|
Cambrian Explosion
|
animals appeared in the first 20 million years of Cambrian period.
|
|
|
Pangea
|
first big continent.
|
