Imagine an ecosystem in a temperate deciduous forest. The ecosystem has the following populations: producers
fruit trees
berry bushes
maple trees
oak trees
primary consumers
rabbits
butterflies
bees
deer
geese
chipmunks
termites
secondary consumers
foxes
owls
skunk
hawks
tertiary consumers
wolves
bears
2. Draw a food web representing the flow of energy in the ecosystem. Be sure to include all populations. If necessary, research each animal's diet to determine its place in the food web. Draw your web using a graphics program such as Word, Power Point, Publisher, or any other program you are familiar with.

Questions
Answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below.

1. Which organisms are carnivores? Herbivores? Omnivores?
2. If the ecosystem is balanced, which populations should be the largest? The smallest?
3. Imagine a group of hunters kills half of the rabbit population. How will the other organisms be affected?
4. Imagine disease kills 85 percent of the wolf population. How will the other organisms be affected?
5. Imagine a foreign mountain lion species is introduced into the ecosystem. How will the other organisms be affected?