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13 Cards in this Set

  • Front
  • Back
Phylum Porifera
"pore bearers"
all the sponges
sessile (stay in one place)
specules (internal framework of sponge)
filter feeders
cellular-no germ layers-no symmetry-no body plan-acoelomate-nonsegmented
Phylum Cnidaria
"cnidarians"
Hydra, jellyfish,portguese-man-of-war, sea anemones, coral
cniocytes(stinging cells), tentacles, hydra have nerve tissues
tissues-diploblastic-radial-sac plan-acoelomate-nonsegmented
"cnidarians"
Hydra, jellyfish,portguese-man-of-war, sea anemones, coral
cniocytes(stinging cells), tentacles, hydra have nerve tissues
tissues-diploblastic-radial-sac plan-acoelomate-nonsegmented
Phylum Platyhelminthes
"flatworm"
Planaria, parasitic tapeworms, parasitic flukes
organ/organ system-triploblastic-bilateral-sac plan-acoelomate-non segmented
Phylum Nematoda
"roundworms"
human roundworm, hookworm, pork roundworm, heartworm
only phylum with pseudocoelomate
organ/organ system-triploblastic- bilateral-tube within a tube- pseudocoelomate-nonsegmented
Phylum Mollusca
"mollusks"
SECOND LARGEST PHYLUM
clam, oyster, scallops, snails, slugs, squid, octopus
all have 'foot,' mantle, visceral mass
organ/organ system-triploblastic-bilateral-tube within a tube-(coelomate)true-nonsegmanted
Phylum Annelida
"segmented worms"
sandworms, leeches, earthworms
organ/organ system-triploblastic- bilateral-tube within a tube-coelomate-segmented
"segmented worms"
sandworms, leeches, earthworms
organ/organ system-triploblastic- bilateral-tube within a tube-coelomate-segmented
Phylum Arthropoda
"jointed feet"
LARGEST PHYLUM
crayfish, crabs, lobsters, shrimp, barnacles, spiders, ticks, scorpions, millipedes, centipedes, all insects
all have exoskeleton
segmentation is fused into geographic regions
organ system-triploblastic-bilateral...
"jointed feet"
LARGEST PHYLUM
crayfish, crabs, lobsters, shrimp, barnacles, spiders, ticks, scorpions, millipedes, centipedes, all insects
all have exoskeleton
segmentation is fused into geographic regions
organ system-triploblastic-bilateral-tube within a tube-coelomate-segmented
Phylum Echinodermata
"echinoderms"
starfish(seastar), brittlestar, sandollar, sea urchins, sea cucumber
unique watervascular system
organ system-triploblastic-bilateral-tube within a tube-coelomate-nonsegmented
Germ layers
embryonic cell layers, form in embryo
none
two (diploblastic) :ectoderm (outside) and endoderm (inside)
three (triploblastic): ectoderm, endoderm, and mesoderm (middle)
Symmetry
none (asymmetric)
radial (round): halves
bilateral
Body plan
how the digestive tract is set up
none
sac plan (only one opening): mouth used for food intake and exit of waste
tube within a tube (two openings): separate openings (mouth and anus) for food intake and waste exit
Coelom
body cavity with organs
acoelomate: no coelom
pseudocoelate: false coelom, made of endoderm and mesoderm
coelomate: true coelom
Segmentation
nonsegmented: no segmentation (repeating parts)
segmented: