Name _________________________ Blk___________
Food Chains, Food Webs, and Energy Pyramid worksheet
1. Using the following food chain, answer the questions below.
Grass  Rabbit  Fox
a. What type of organism is the grass?
b. Which animal is an herbivore or primary consumer?
c. What would happen to the population of rabbits, if the population of foxes increased ? Why?
d. What trophic level does the fox represent? ___Third________________________
2. Construct a food chain in the correct order using the information in the chart. Then label the producer,
primary consumer, secondary consumer, and tertiary consumer.
Organism
owl
snake
Oak Tree
Squirrel
Oak Tree
Food Source
snake
squirrel
NA
nuts
Squirrel
Snake
3. Use the food web below to answer the questions.
Owl
Name _________________________ Blk___________
a. What is the producer?
___________Grass_______________________________
b. What are the primary consumers? _______Mouse, Grasshopper___ and
Rabbit___________
c. What are the secondary consumers? __Kookaburra, Snake
Eagle________________________________
d. What are the tertiary consumers? ___That means 3rd Consumer. Eagle
and Kookaburra
e. What is the top predator?
_______Eagle____________________________________
f. Construct one food chain that you see on the food web.
Grass
Or
Grass
Or
Grass
Or
Grass
Or
Grass
Rabbit
Mouse
Kookaburra
Grasshopper
Grasshopper
Grasshopper
Eagle
Kookaburra
Snake
Snake
Eagle
Kookaburra
Eagle
Eagle
Cloze Activity: Use these words to complete the Cloze Activity.
Name _________________________ Blk___________
Consumer Producer Decomposers Food Chain
(Beware!
One term is used twice as an answer!)
1. The first link in a food chain, which uses non-living matter to produce food (energy), is
called a ___Producer__________. 2. Decomposers_______ feed off dead plants and animals. 3.
The sequence of events where food (energy) is passed from one organism to another is called a
___Food Chain________. 4. An organism that does not produce its own food is a
__Consumer_________. 5. A__producer________ is also known as an Autotroph.
Name _________________________ Blk___________