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2
Crustacea (idea)
See all of Crustacea
, there is 1 more in this node.
(
idea
)
by
melodrame
Sun Nov 26 2000 at 1:05:43
Phylum
Arthropoda
: Subgroup Crustacea
:
Examples of Crustaceans
:
crabs
lobsters
crayfish
shrimp
barnacles
*
General characteristics
:
live in
marine
and
freshwater
environments (for the most part)
2 pairs of
antennae
3 or 4
appendages
modified as mouthparts, including hard
mandibles
walking legs on the thorax and abdomen
lost appendages can be
regenerated
small crustaceans exchanges gases through thin areas of the
cuticle
(their
exoskeleton
), while larger species have
gills
.
Groups of crustaceans
:
isopoda
copepoda
decapoda
*Added by
Gorgonzola
...who is not a crustacean.
Decapoda
Isopoda
crustacean
lobster
Copepoda
Tracheata
Pectostraca
Arthropoda
crab
Soft-shelled Crab
Zoea
Crustaceological
regeneration
mandible
Malacostraca
Barnacle
exoskeleton
George W. Bush's 2004 State of the Union Address
Pescatarian
tympanic membrane
yabby
Wellfleet Oysters
freshwater
Scaphocerite