Crustaceans
BY AMANDA BROSS
CHARACTERISTICS
TYPE OF SYMMETRY: Bilateral Symmetry
TYPE OF FEEDER/EATER: Filter Feeders
SPECIFIC FEATURES: Hard exoskeleton made of calcium, no internal skeleton, similar to other anthropods
3 ANIMALS:
Crab
Barnacle
Krill
CRAB
There are over 500 different species of crabs.
BARNACLE
Barnacles were not firmly accepted to be crustaceans until the 1830's.
KRILL
Krill are considered to be a keystone species.