Objective:
Students will be discuss food chains and trophic levels in order to explain the flow of energy in an ecosystem.

Warm Up:
Scientists classify humans as omnivores, based on their teeth. As omnivores, humans eat
A. Only fungi
B. Mostly plants and animals
C. Only animals
D. Mostly bacteria and fungi
A team of marine scientists is studying biotic and abiotic factors that affect the stability of a deep-sea ecosystem.
The scientists discovered a species of fish that eats other fish and decaying organisms. Which of these does not
describe the newly discovered fish?
F. consumer
G. predator
H. scavenger
J. producer

Which of these is NOT an example of a producer-consumer relationship in the forest food web?
F. Bacteria feeds on dead deer.
G. Rabbit feeds on the grasses and shrubs.
H. Mouse feeds on grasses.
J. Deer feeds on trees.

Which of these describe the role of the mountain lion in the forest food web?
A. Omnivore
B. Carnivore
C. Herbivore
D. Parasite

Vocabulary:
1. Ecology
2. Biosphere
3. Species
4. Population
5. Community
Engagement: Interest Grabber- 3-2 “Pass it along”

Explanation:
1. Review homework (read and outline 3-1)
2. Explain Energy flow and feeding relationships (3.2)

Elaboration:
Build science skills- making models – pg 71

Evaluation:
Figure 3-8 on pg 71

Closure:
What are the consequences, if any, of removing an organism from a food chain.

I learned, I wonder, WOW

Tonight's Homework:
Read and outline 3-2

Homework Due:
Read and outline 3-1