Activity 1: Crab Chronicles
1. Life History of Humans
2. Illustrate Life History of Human Beings
3. Illustrate Life History of Dungeness Crabs
Note: They can use pictures from the Crab Gallery found online to complete their displays. (See Resources below.)
4. Discussion to Compare Illustrations
The following resources are recommended for advanced students:
Food Chains and Webs
Fun with Food Webs
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Did You Know?
One year of compacted snowflakes creates “firn,” a stage between snow and glacial ice. It takes years of refreezing and recrystallization to result in dense glacial ice.