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36 Cards in this Set
- Front
- Back
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Species |
Group that interacts and breeds and produces offspring |
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Non-native |
Species that has been moved out of it’s original range by people -no ecological harm -economically essential -can cause extinctions |
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Phylogenetic diversity |
How many are there (trees, birds) |
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Ecosystem services |
What it does for mammals |
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Biogeography |
Study of life and how it changes through space and time |
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Biodiversity |
Number of species in a region Why do things live where they do |
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Migration |
Seasonal movement of organism for feeding or breeding Latitudinally Attitudinally Resource availability |
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Latitudinal biodiversity gradient |
Tropics have more species compared to higher latitudes |
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Ecology |
Study of organisms and their environments |
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Ecosystem |
Living organisms and their non living environment Energy, minerals, gases, water |
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Species area curve |
Larger areas have more species than small |
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Biogeographic islands |
Habitat surrounded inhospitable conditions |
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Mass extinction event |
5 now we’re in 6 150-200 species a day |
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Extinction |
Permanent loss of species |
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Evolution |
Genetically driven caused by pressures in environment |
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Keystone species |
Species in ecosystem other species rely on |
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Non native predators |
Hunt to extinction |
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Prey switching |
Reduce prey and have to find another source |
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Prey switching |
Reduce prey and have to find another source |
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Temperature |
Strong control on animal and plant ranges |
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Plants |
Shade or light loving |
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Population |
Group that interacts and interbreeds |
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Speciation |
Creation of new species through evolution |
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Habitat |
Where species live |
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Habitat |
Where species live |
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Niche |
Resources a species requires |
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Limiting factors |
Factors that prevent its reproductive or geographical potential Biological: predators, competition Physical: water, sun, temperature |
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Hawaii |
Vulnerable to non native species because it only has a few predators |
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Hawaii |
Vulnerable to non native species because it only has a few predators |
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Community |
Group of populations |
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Pull and push factors |
Pull increased resources Push drought competition |
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Pull and push factors |
Pull increased resources Push drought competition |
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Scavenger |
Eats carrion |
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Sweepstakes dispersal |
Islands colonized not near mainland |
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Tropic aystems |
Movement of energy through physical systems |
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Convergent evolution |
2 things start to look alike |
