Station 1: Analyzing Food Webs
Questions:
Find the shrew.
1) Identify two organisms the shrew consumes.
a. Frogs and crickets
b. Hawk and snakes
c. Cattails and marsh grass
d. Grasshoppers and crickets
2) Then, classify its tropic level (P, PC, SC, and so on…)
a. Primary Consumer
b. Secondary Consumer
c. Top-Level Consumers
d. Producer
3) Identify two predators of the shrew
a. Frog and grasshopper
b. Cricket and grasshopper
c. Hawk and snake
d. Marsh grass and hawk
Find the snake.
4) Identify two organisms the snake consumes.
a. Shrew
b. Hawk
c. Frog
d. Cricket
5) The trophic level of the snake is:
a. Primary consumers
b. Secondary Consumer
c. Third-Level (3C) Consumer
d. Top-Level Consumer
6) Identify the predator of the snake.
a. Hawk
b. Frog
c. Shrew
d. Marsh Grass
7) Identify the producer(s) of the food web.
a. Algae and plankton
b. Marsh grass and cattails
c. Frog and snake
d. Shrew and cattails
Station 2: Create A Food Web
Directions: Make a food web from the organisms in the table below. Write
your answer on the back of your answer document.
8) Wetland Ecosystem
Organism
Algae
Reeds
Crickets
Frog
Heron
Little Fish
How it Obtains Energy
Gets energy through photosynthesis
Gets energy through photosynthesis
Eats plants
Eats crickets and other insects
Eats frogs, little fish
Eat algae
Station 3: Analyzing More Webs!
9) The squirrel and rabbit are both examples of:
a. Producers
b. Primary Consumers
c. Secondary Consumers
d. Top-Level Consumers
e. Decomposers
10) The fungus in the food web above is a:
a. Producers
b. Primary Consumers
c. Secondary Consumers
d. Top-Level Consumers
e. Decomposers
11) The top level consumer in the food web above is:
a. Hawk
b. Mountain Lion
c. Deer
d. both A and B
12) Identify two prey of the mountain lion:
a. Bird
b. Grasshopper
c. Deer
d. Rabbit
13) The main source of energy for all food webs is:
a. The producers
b. The consumers
c. The decomposers
d. The sun
14) The arrows in a food web represent:
a. Sunlight
b. Energy
c. Calories
d. Dead Material
Station 4: What’s Wrong with This Picture?
15) What is the producer in the web above?
a. Bird
b. Eagle
c. Rabbit
d. Plant
16) According to the web, what is the PREY of the Eagle and Snake?
a. The Rabbit
b. The Plant
c. The Snake
d. The Bird
17) What is wrong with the food web above?
a. The food web has no errors
b. The food web is missing a decomposer
c. The arrows show the rabbit as the top consumer
d. The food web is missing the sun
18) Correct the food web by re-writing in on the back of your answer document.