ecology, evolution and diversity general biology i the two hour version part 3
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Ecology, Evolution and Diversity
General Biology I
The two hour version
Part 3
The Biosphere
Apollo 8 – Christmas 1968
Biomes
Brazil
Arizona
Elevation and Temperature
Latitude and Temperature
Latitude
Elevation
Albuquerque
Denver
Elevation and Temperature
Latitude and Temperature
World Biomes
Southern California Coastal Chaparral
Distribution of Chaparral Biome
Mediterranean Chaparral
Spain
France
African Chaparral
Cape Town
South American Chaparral
Chile
World Biomes
Tropical Rain Forest
Tropical Rain Forest
Slash and burn
Tropical Rain Forest
World Biomes
Savanna
Kenya
Savanna
World Biomes
Sonoran Desert, Arizona
Desert
World Biomes
Temperate Grasslands
World Biomes
Taiga – Coniferous Forest
World Biomes
Arctic National Wildlife Refuge (ANWAR)
Arctic Tundra
San Juan Wilderness area, Colorado
Alpine Tundra
Mount Rainier, Washington
Oceans
Ocean Currents
Upwellings
Shallow Oceans
Intertidal Zone
Estuary
Open ocean
Deep Ocean
Freshwaters
Lake Baikal, Siberia, Russia
Kiamichi River, Oklahoma
Theodosius Dobzhansky (1900-1975)
“Nothing in biology makes sense except in the light of evolution”
Evolution
Evolution
Any change in the genetic make-up of a population through time
A natural process……
Some background and history….
Evolution
Biology – 1500-1700s
Geology/Geography 1500-1700s
“Let it not suffice to be book-learned, to read what others have written and to take upon trust more falsehood than truth, but let us ourselves examine things as we have opportunity, and converse with Nature as well as with books.”
John Ray -- 1691(1627-1705)
Natural History
Fixed species in an unchanging world
An ever changing world running on natural laws
Carl Linnaeus (1707-1778)
Jean-Baptiste Lamarck (1744-1829)
Georges Cuvier (1769-1832)Biology
James Hutton (1737-1823)
Charles Lyell (1797-1875)
Geology
Charles Darwin (1809-1882)
Voyage of the HMS Beagle1831-1836
Voyage of the HMS Beagle
Beagle Channel, Patagonia
Voyage of the HMS Beagle
Galapagos Islands
1845
Voyage of the HMS Beagle
Voyage of the HMS Beagle
Darwin House --- south of London