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Algae (i.e. diatoms and cryptophytes)
Zooplankton
(i.e. krill and salps)
Small fish and squid
Large fish
Penguins
Seals
Toothed whales
Baleen whales
The Antarctic Food Web Game
Similar to shrimp
Feed on larger algae that
grow beneath the ice
shelves
The Antarctic Food Web Game
Has a nerve chord but its
consistency is similar to a
jellyfish
Feed on tiny algae in
the open water
The Antarctic Food Web Game
This is a picture of krill
feeding on the algae that
grows in the ice
The Antarctic Food Web Game
Salps feed on small
free floating algae,
like cyptophytes
The Antarctic Food Web Game
a.  Each person should choose one consumer to become (Mackeral icefish, Humpback whale, Cape Petrel,
Weddell seal, or Adelie penguin). You will remain that consumer for all rounds.
b.  Begin with the game board labeled Round 1 and empty the contents of Round #1 bag of krill and salps hole
punches (dots) onto the board. The krill (red dots) should be placed beneath the ice sheet where the ice
algae are located and the salps (white dots) should be placed in the open water where they feed on the free
floating algae.
c. 
You will begin each round by rolling the dice. The student with the highest number will go first, the next
highest will go second, and so forth. (This order only lasts for this one round.)
d.  When it is your turn, you must take enough food so that you have energy to last to the next round. Your
consumer card will provide information on what and how much you need to eat during each round. You must
fulfill your food requirement. If you cannot fulfill these requirements during one round, then you haven't
received enough energy. You are tired, but safe. However, if you cannot fulfill these requirements during the
next round, you realize there isn't enough energy to survive in this place ~ so you decide to move to another
area. You are no longer part of this ecosystem and no longer participate in the rounds.
e.  When each player has had a turn during Round 1, place the krill and salps from that round back into the bag
labeled Round 1.
f. 
Proceed to Round 2 using the Round 2 game board. Empty the contents of the krill and salps bag for Round
2 onto the board and separate them as you did for Round 1. Krill under the ice and salps under the open
water. In your journal, note any differences in the game boards and/or changes in the composition of krill and
salps during Rounds 1 and 2.
g.  Take turns rolling the dice again to see who eats first, second, third, etc. and then begin eating as you did for
Round 1. Repeat steps d-g until the group has completed all 4 rounds.
The Antarctic Food Web Game
Free Floating Algae
Ice Sheet
Sea ice algae
The Antarctic Food Web Game
Ice Sheet
Sea ice algae
Free Floating Algae
The Antarctic Food Web Game
Ice Sheet
Sea ice algae
Free Floating Algae
The Antarctic Food Web Game
Ice Sheet
Sea ice algae
Free Floating Algae
The Antarctic Food Web Game
The Antarctic Food Web Game
Food Requirement: 5 krill per turn
The Antarctic Food Web Game
Food Requirement: 7 krill per turn
The Antarctic Food Web Game
Food Requirement: 10 krill per turn
The Antarctic Food Web Game
Food Requirement: 3 krill OR
5 salps per turn*
* Eats krill and salps but gets MORE energy
from each individual krill than each individual
salp
The Antarctic Food Web Game
Food Requirement: 2 krill per turn
The Antarctic Food Web Game