Michaella,+Jessie,+Angel

1) An example of a biotic factor is a deer and a mountain lion. The mountain lion gets food by killing the deer and eating it, while the mountain lion keeps the deer population steady, allowing them to not over populate, which will prevent starvation and the spreading of disease. 2) Three organisms in the platte river are: 3) ->-> -->>> --->
 * frogs- Eat the bugs in and around the river. Second Consumer. Carnivor
 * fish- Keep the river clean by eating unwanted algae and other things floating in the river. First consumer. Herbavor
 * salamanders- Eat other small salamanders, keeping their population at a steadt rate, and also eat frog eggs allowing the frog population to not over populate. Second consumer. Carnivor.