Anna crayfish
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Transcript of Anna crayfish
CrAyFiSh StRuCtUrEsCrAyFiSh StRuCtUrEsCrayfish have:
-4 antennaes, for feeling,-2 pincers, for fighting and eating,-A mouth, for eating,-2 eyes, for seeing,-8 walking legs, for walking,-swimmerets, for holding eggs,-tail flaps, for swimming fast.
anna Hansen
HABITAT
✐HABITAT
A crayfish lives:
Crayfish also lives in the
fresh water, like in
ponds, rivers, lakes,
waterfalls, and nothing
else.
in the classroom, that has
BEHAVIORBEHAVIOR What did the crayfish do when
you :1)left it alone in the basin? stayed still.2)reached toward it? lifted its pincers.3)touched its back? didn't do anything.
4)touched its tail?DIDN'T DO ANYTHING
5)touched its antennae?DIDN'T DO
ANYTHING
6)PUT IT ON THE TABLE? BEGAN
WALKING
7)FIRST PUT A "HOME" IN THE BASIN?
MOVED TOWARD THE "HOME"
8)LEFT IT WITH THE HOUSE FOR 5
MINUTES? WENT INTO THE "HOME"
9)PUT ANOTHER CRAYFISH WITH IT?
STAYED AWAY FROM THE OTHER
CRAYFISH.
WHAT EFFECT DOES HUMANS HAVE
ON CRAYFISH HABITATS?
When people throw away plastic bags into the Rivers, or ponds, it ruins the crayfish homes too.(They pollute the crayfish homes)