Untitled Flashcards

Biology 1103 with Barstow at University of Georgia

About this deck

By: Kelly Paxson
Textbook:

Biology: A Guide to the Natural World with mybiology" (4th Edition)
Created: 2012-04-11
Size: 26 flashcards
Views: 8

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Nebular hypothesis

planetary objects are a result of the collapse of a swirling solar nebula

Ureyand Miller

it’spossible to create molecules of life from the inorganic molecules in the “primordialsea”

Archaean

3500 MYA, oldest prokayote microfossil

Proterozoic

2000-540 MYA, : 1^steukaryotes, 1^st multicellular organisms

Cambrian

540-500 MYA, -Expansion of ocean animal diversity, Ancestorsof vertebrae appear

Ordovician

500-438 MYA, Diverse plant and animal life in the oceans, Firstfungal species appear

MassExtinctions

438 MYA, 367 MYA, 208 MYA, 65 MYA,

Silurian

438-400 MYA, Seedless plants, primitive insects, and soft bodiedanimals appear on land

Devonian

400-355 MYA, Fish species diversify, firstinsects and seed bearing plants appear on land

Carboniferous

355-270 MYA, forests of seedless plants dominate land, Amphibiansappear and diversify

Permian

270-248 MYA, Reptiles appear on land, Oceansabundant in coral species, Eraends with mass extinction of 95% of living organisms

Triassic

248-208 MYA, Dinosaurs and mammals appear on land, Oceanlife diversifies in recovery from Permian extinction

Jurassic

208-140 MYA, First flowering plants and bird species appear, Floweringplants and insects coevolved, Largedinosaurs are plant eaters

Cretaceous

140-65 MYA, Dinosaurs diversify, Conebearing plants dominate, Floweringplants take over in many habitats

Tertiary

65-1.8 MYA, Mammals, birds, and flowering plants diversify, Grassesappear, Firstprimates and early humans

Quaternary

1.8MYA- now, Many large mammals go extinct, Modernorganisms are present today

Order of Evoltution

bacteria, archaea, protists, plants, fungi, animals

Aristotle

Tobe alive something must have a soul

Paracelsus

Human in a bottle

VanHelmont

dirty shirt and sweat can produce live mice

FrancoRedi

provedthat there is no spontaneous generation

VanLeeunhoek

microbesfrom spontaneous generation

TheodoreSchwann

tubesto kill bacteria, “soul” is destroyed by heat

LouisPasteur

germscome from previously existing germs

5kingdoms

animalia,plantae, fungi, protists, and monera

6Problems with living on land

1)Excessive water loss by evaporation,2)Gas Exchange (O2 and CO2), 3) Obtaining and transporting water, 4) Transport of nutrients, 5) Support against pull of gravity, 6)Reproduction outside a watery environment

About this deck

By: Kelly Paxson
Textbook:

Biology: A Guide to the Natural World with mybiology" (4th Edition)
Created: 2012-04-11
Size: 26 flashcards
Views: 8

About StudyBlue

“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis