Summary: Lab Test 2
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1 lab test 2
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what % of all earths species live in the rain forest?
50 -
What makes the adams river important?
it most likely contains the densest run of sockeye salmon in the world -
how many sockeye eggs are laid, and how many become salmon
4000, about 2 -
why is the salmon important to biologists?
it is a great indicator of water quality -
what did robert payne develop?
the idea of the keystone species -
what is a keystone species?
an animal that creates niches for other species and thus increases the biodiversity of an ecosystem -
what are some examples of keystone species?
starfish in the tidal pools, sea otters. -
what did jerry franklin do?
developed a system of preversving biodiversity in the forests of the pacific northwest. (the trees are his friends) -
what is the extinction rate with man
100-1000 times greater than natural. -
Man is responsible for the current spasm of extinction
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