porifera
pore-bearer, live in water, mostly oceans, adult sponges are sessile-unable to move
cnidaria
live in water, mostly oceans. have tentacles with nematocyst radial symmetry
platyhelminthes
long, soft bodies, bilateral symmetry, free-living or parasitic, live in water, on land, or in a host
nematoda
round, tubular bodies, bilateral symmetry, parasitic or free-living, various sizes, microscopic to several feet
annelida
long slender segmented body
molluska
gastropoda, cephlopoda, bivalvia
echinoderma
spiny skin
arthropoda
jointed apendages, exoskleton, Insecta, Crustacea, Chilopoda, Diplopoda, Arachnida
gastropoda
class of mollusks, 1 shell (univalve), marine, freshwater, or terrestial
cephlopoda
head-footed, no shell, tentacles, marine areas, class of mollusks
bivalvia
class of mollusks, 2 part shell, marine or freshwater
insecta
class of arthropods, 3 body parts: head, thorax. abdomen 3 pairs of legs, 2 pairs of wings, freshwater or terrestial
crustacea
2 part body, 3 pairs of legs, some have gills, marine or terrestial, class of arthropods
chilopoda
long segmented body, 1 pair of legs per segment, terrestial, class of arthropods
diplopoda
long segmented body, 2 pair of legs per segment, terrestial, class of arthropods
arachnida
class of arthropods, 2 part body, 4 pairs of legs, freshwater or terrestial, some can spin silk
sponge
example of porifera
coral, sea anemones, Portugese man of war, hydras, jellyfish
examples of cnidarians
planarian, flukes, tapeworms: flatworms
examples of platyhelminthes
hookworm, vinegar eels, pinworms, trichina, ascaris: roundworms
examples of nematodas
earthworm, tubeworms, leeches, scaleworms, sandworms: segmented worms
examples of annelida
snail, slug
examples of gastropods
octopus, squid, nautilus
examples of cephlopods
scallops, clams, oysters, mussels
examples of bivalves
starfish, sea urchins, sea cucumber, sand dollars
examples of echinoderms
beetles, butterflies, grasshoppers, crickets
examples of insects
lobsters, crabs, crawfish, shrimp, barnacles
examples of crustaceans
centipede
examples of chilipods
millipedes
examples of diplipods
spiders, ticks, scorpions, mites
examples of arachnids
zoology
the study of animals
spongin
a flexible fiborous protein part of a sponges body
spicules
small spikes made of calcium carbonate part of a sponges body
medusa
umbrella shaped jellyfish
polyp
tubular hydra
hydrostatic skeleton
jellylike mass (mesolgea) that fills the space between layers of tissue
ganglion
coordinates a response to the stimulus in a worm
longitudinal nerve
located on each side of the body of a worm
transverse nerves
connects to longitudinal nerves of a worm
siphon
internal muscular tube that forces water out to propel the octopus
bivalves
produce two hinged shells
mantle
thin skin covering the clam's soft body
filter feeders
use two siphon tubes, one pulls water and food particles into the shell and the other sends water away
metamorphosis
a change in body form
molting
when an insect sheds an old exoskeleton and replaces it with a new one
egg, nymph, adult
incomplete metamorphosis
egg, larva, pupa, adult
complete metamorphosis
caterpillar
larva of moths and butterflies
maggots
larva of flies
grubs
larva of beetles