FOOD CHAINS
PART A. Create an Energy Pyramid and Food Web with the following information. Make sure your
Energy Pyramid has a 1st trophic level and ADD a tertiary consumer.
Prey animal
Food of prey animal Tropic level
Producer, herbivore,
carnivore, omnivore
rd
o
Lizard
Insects
3 trophic level, 2
Carnivore
consumer
Snake
Mice & Lizard
3rd trophic level, 2o
Carnivore
consumer
Insects
Plants
2nd trophic level, 1o
Herbivore
consumer
Mice
Plants
2nd trophic level, 1o
Herbivore
consumer
PART B. Use the following food web to answer the questions below:
1. Who are the producers?
3. Who is a secondary consumer?
5. What would the Hawk be?
2. Who is a tertiary consumer?
4. Who is a primary consumer?
6. Who gives NRG to the Snake? Mouse?
PART C. Answer the questions below:
1) Make a food chain for grass, mice, coyotes (only eat cats), cats, mountain lions (only eat coyotes).
Label the producer, primary consumer, secondary consumer, herbivore, carnivore and the sun.
Number the trophic levels.
2) Imagine if 1000 units of energy are available for the cats. How much energy will be available for:
a. The coyote?
b. The grass?
c. The mouse?