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)

EGGSEGGS

A female crayfish mostly have more swimmeret than a male, because the mother uses the swimmerets to hold eggs. Mostly they bend their tail flaps to protect the eggs.