Monday, January 25, 2010

Food Web in the Sagebrush-Steppe Ecosystem

Food Web in the Sagebrush-Steppe Ecosystem: (HW):

1. Who eats?
a. Plants? Primary consumers: Squirrels, insects and Pronghorn and other grazers.
b. Snakes? Badger (Carnivores) and Raptor (Large predators).
c. Insects? Lizards, small reptiles and Bats.
d. Mountain lions? No creatures.

2. This can effect the other orgasms in balance because there will be more carnivores, predators and insectivores because there will be less coyotes to eat which can also effect our environment in the balance.

3. The increase of Mountain lions can decrease the amount of other plant eaters and increase the amount of primary producers which could affect the balance of an ecosystem in the increases and decreases of many (different) creatures which can also bother human life styles and could be dangerous.

4. Mesquite trees might have man effects on the ecosystem because hidden in the manure were mesquite trees seeds that have been eaten before so the trees have spread throughout the American dessert southwest. They have lots of roots and are efficient at gathering water out of the soil that other plants cannot germinate. Another is the leaves are edible and produce seed pods that animals eat. Finally, they put nutrients back into the soil because of special nodules on their roots.

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