Food Webs:
Hawk
Coyote
Snake
Sparrow
Dragonfly
Frog
Mouse
Grasshopper
Wheat
Butterfly
Flower
Fly
Grass
1. Label the organisms in the web above using this KEY:
Decomposer = D
Producer = P Consumers:
Primary = PC
Secondary = SC
Tertiary = TC
Quaternary = QC
2- Identify an organism on the web above who is both a secondary and a tertiary level
consumer; explain how the organism ended up at the different levels.
3- Give an example of competition shown on the web above:
4- Write a food chain that includes 4 levels:
Using the web on the screen, do the following:
1- Identify two producers:
2- Identify two primary consumers:
3- Identify two secondary consumers:
4- Identify two tertiary consumers:
5-Identify two decomposers:
6- Write a food chain that includes 4 levels:
7- Identify an organism who is both a secondary and a tertiary level consumer; explain
how the organism ended up at the different levels.
8- Give an example of competition shown on the web:
Use this web to help you complete the top of the “Food Webs” sheet that goes on page 26 in your notebook. It has
been labeled as directed on that page.
SC, TC, QC, +
SC, TC, QC, +
Hawk
Coyote
SC, TC, QC, +
SC, TC
Snake
SC, TC
Frog
PC
SC
Dragonfly
PC
Mouse
P
Wheat
Sparrow
?
PC
Grasshopper
Butterfly
P
Flower
Fly
P
Grass
Answers should follow this format:
2- When _______ eats _________, it is a secondary consumer. When it eats ________, it is a tertiary consumer.
3-The ______ and ______ both eat the ________.
4- _____________________________________________
(producer)
(primary ) (secondary ) (tertiary)
(decomposer)
Use the web below to answer the questions at the bottom of the “Food Webs” sheet that goes on page 26 in your
notebook. Ask Mrs. Redding to see the KEY when you are ready to check your answers.