Ecosystems – Food Chains & Food Webs
Drill:
FACT or FICTION?
1.
5.
2.
6.
3.
7.
4.
8.
FOOD CHAIN –
FOOD WEB –
What is the difference between a food chain and a food web?
Ecosystems – Food Webs, Chains & Pyramids
PRODUCER/AUTOTROPH –
CONSUMER/HETEROTROPH –
Primary =
Secondary =
Tertiary =
Quaternary =
DECOMPOSER/DETRIVORE –
TROPHIC LEVEL -
Herbivores
Carnivores
Omnivores
Ecosystems – Food Webs, Chains & Pyramids
Food Web Practice:
Practice Part 2:
Ecosystems – Food Webs, Chains & Pyramids
Article Analysis - There are Humans in my Food Chain: Read the article and answer the questions below.
1. What is a trophic level?
2. What does HTL stand for? ____________________________________________________________
3. A trophic level score of 1 would be the score a _____________________________ may get.
4. The highest score of 5 would go to _________________________________________________.
5. On this scale, humans scored a _____________ , similar to _____________________________ and
_________________________________.
6. What change in diet would make an HTL score go up?
7. What change in diet would make an HTL score go down?
8. Do you agree with the trophic level score that ecologists calculated, where humans fall in
the middle of the food chain or do you think we are at the top? Explain.