1. Food Web Of Crater Lake

2. Black BearCoyoteMountain Lion Bobcat Golden-mantled Ground Squirrel Deer MouseRoosevelt Elk Mule Deer Red-tailed hawk Clark's nutcraker Ponderosa Pine Sugar Pine Lodgepole Pine Grass cyano bacteria producer first Second Third Decomposer

3. 10% Rule Third level 0.1% Second level 1% First level 10% Producer 100% The ten percent rule is a description of how producer biomass is carried on to the next level. In our project the producers energy is split into the first level consumers from the grass and roots of the trees to the first level. The black bear though is an exception as he eats the shoots from the pine trees gaining more than 10%.