1
Levels of Organization
Put the following terms in order from the largest (#1) to smallest (#5).
_____ Community
_____ Biosphere
_____ Organism
_____ Population
_____ Ecosystem
Given the list of organisms in each set below, indicate which level of organization is being studied (look
at the list above!).
A. Herd of deer: _______________
B. Rock, Bald Eagle, Crocodile, Palm Tree, Hot Weather: ___________________
C. Zebra: _______________
D. Blue Whale, Squid, Sponge, Blue Marlin, Orca, Dolphin_______________
E. Lion laying in the grass spying on a giraffe: __________________
2
Food Webs, Food Chains and Pyramids
Abiotic vs Biotic Factors
What is a Biotic Factor? (circle one) Living or Non-Living
What is an Abiotic Factor? (circle one) Living or Non-Living
Label the following items as A for Abiotic or B for Biotic.
LIST:
1. ______Whale
2. ______Clock
3. ______Water
4. ______Fish
5. ______Paper
6. ______Glass
7. ______Aluminum
8. ______Metal Ruler
9. ______Sand
10.
11.
12.
13.
14.
15.
______Clouds
______Snail
______Steak
______Bread
______Plant
______Pipe
Circle the correct answer
3
1. Write out 3 food chains found in the food web above. Be sure to use ARROWS!
A.
B.
2. List the organisms above in the following categories:
(You may use an organism more than once!)
Producer (Hint: 2 organisms)
Primary consumers (Hint: 3 organisms)
Secondary consumers (Hint: 6 organisms)
Tertiary consumers (Hint: 5 organisms)
3. Fill in the energy pyramid using organisms from ONE of the food chains you listed in above. Label each trophic
level as producer, primary consumer, secondary consumer, or tertiary consumer.
4
4. Using the food web above, list the organisms above in the following categories: (You may use an organism
more than once!)
Herbivore
Omnivore
Carnivore
5. What would happen if the frogs where removed?
____________________________________________________________________________________________
6. Which of the following organism would be found at the top of an energy pyramid? (circle one)
a. butterfly
b. frog
c. fox
d. snake
5
The diagram below shows an energy pyramid. Fill in the correct amount of available energy at each level.
kcal
The energy lost at each level
is lost due to?
______________
kcal
kcal
10,000 kcal
Fill in the following energy pyramids to show how much energy would be available at each trophic level.
Kcal
18. Fill in the amount of energy on the left side.
8000 units
of energy
_______
units
of energy
_______
units
of energy
_______
units
of energy
6
7