1. By: Cindy
All about crayfish!
Structures! Behaviours! Habitat!
1. Eyes for looking. 1. When I left it alone in the basin, the crayfish 1. Crayfish live in
2. Pinchers for grabbing things and fighting stayed still. places that has water.
enemies. 2. When I reached toward it, the crayfish 2. Crayfish live in
3. Swimmerets for holding eggs. moved the legs. places that has elodea
[Female has more swimmeret's than Male.] 3. When I touched the crayfish's back, the [seaweed] too.
4. Walking legs for walking. crayfish didn't do anything. 3. Sometimes they
4. When I touched the crayfish's tail, the live in tanks too. [But
only for a pet or
Eyes for crayfish didn't do anything.
learning about crayfish
looking. 5. When I touched the crayfish's antenna, the
in school.]
crayfish still didn't do anything. 4. They live in a
6. When I put the crayfish on the table, the
place that has
crayfish began walking.
flower pots too.
7. When I put a flower pot in the basin, the
5. They live in places in
crayfish went to the flower pot and the that has rocks too.
crayfish just went right in there.
8. When I leaved the house in the basin for 5
minutes, the crayfish went to the flower pot
9. When I put another crayfish, the other
crayfish stayed away from the crayfish that
Pinchers for Swimmerets we had.
grabbing Walking for holding
things and legs for eggs.
fighting walking.
enemies.
Fighting crayfish!

2. Challenge slide!
[What effects do human have on crayfish habitat ?]
People are making crayfish homes bad
because...
1. People are throwing plastic bags at 2. People are putting toxic waste in the streams.
streams. If you throw plastic bags in The toxic waste makes the crayfish die. Toxic
streams, the plastic bags get caught by waste is a very bad liquid.
crayfish houses and foods so they will
die because all the things they need is This is a sign of toxic waste.
caught.