Foss Structures of Life Crayfish

Review of investigation 3
STUDY
PLAY
structure
observable parts of an organism
crustaceans
aquatic animals that have flexible shells, jointed legs and two pairs of antennae
carapace
main body shell of crustaceans
swimmerets
small leglike structures under the tail of a crayfish
pincers
big jointed leglike structures in the front of the crayfish
habitat
where an animal lives
behavior
things that animals do
territory
part of an animal's habitat that it defends against others of its own kind
exoskeleton
hard outer covering of some animals taht supports and protects them