Week 12 A4:
From food chain to food web 2
Name:
Score:
1. What is a food chain?
2. Construct a simple food chain of your choice, name the producer, 1o, 2o and
3o consumers. Include visual (images/pictures/drawings).
3. What is a food web?
4. Construct a food web of your choice. Include visuals
(images/pictures/drawings).
1
5. Construct food chains using the following organisms. The corn is the main
source of food for herbivores in the area. The cougar is the top carnivore. Use
arrows to show the flow of energy through the chain.
•
•
•
•
•
•
•
•
CATERPILLAR (herbivore)
CORN (autotroph)
COUGAR (eats deer, snakes, crows, rodents)
CROW (eats corn, mice, caterpillars)
DEER (herbivore)
MOUSE (eats corn, caterpillars)
SNAKE (eats crows, rodents)
Squirrel (herbivore)
Example: Corn à deer à cougar
Corn à
à Cougar
Corn à
à Cougar
Corn à
à
à Cougar
Corn à
à
à Cougar
Corn à
à
à Cougar
Corn à
à
à Cougar
Corn à
à
à Cougar
Corn à
Cougar
à
à
à
Corn à
Cougar
à
à
à
Corn à
Cougar
à
à
à
à_____
à
Corn à
Cougar
à
à
2
6. How are food chains related to food webs?
7. Construct a food web based upon the food chains you just made. Draw
arrows showing the direction energy flows through the web.
3