Bio Exam 2 Chart

none
Porifera- germ layers
asymmetrical
Porifera- symmetry
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none
Porifera- tissues
cellular
Porifera- digestive system
none
Porifera- circulatory system
diffusion
Porifera- excretory system
none
Porifera- cephalization
spicules
Porifera- skeleton
none
Porifera- segmentation
flagellated cells that line the interior of the sponge body cavity and bring in food
Choanocytes
diploblastic
Cnidaria- germ layers
radial
Cnidaria- symmetry
GVC
Cnidaria- digestive system
GVC/ diffusion
Cnidaria- circulatory system
diffusion
Cnidaria- excretory system
none
Cnidaria- cephalization
none
Cnidaria- skeleton
none
Cnidaria- segmentation
means by which cnidaria get their prey (nematocysts and spirocysts)
Cnidae
diplo/triplo
Ctenophore- germ layers
radial
Ctenophore- symmetry
GVC
Ctenophore- digestive system
GVC/diffusion
Ctenophore- circulatory system
acoelomate
Cnidaria- body cavity
acoelomate
Ctenophore- body cavity
diffusion
Ctenophore- excretory system
none
Ctenophore- cephalization
none
Ctenophore- skeleton
none
Ctenophore- segmentation
in ctenophores, fused celia that produce a light pattern and run along the length of the arms
Ctene
sponges
Porifera AKA
jellyfish
Cnidaria AKA
comb-bearers
Ctenophores AKA
triploblastic
Platyhelminthes- germ layers
bilateral
Platyhelminthes- symmetry
incomplete
Platyhelminthes- digestive system
GVC/ diffusion
Platyhelminthes- ciruclatory system
acoelomate
Platyhelminthes- body cavity
protonephridia
Platyhelminthes- excretory system
yes
Platyhelminthes- cephalization
none
Platyhelminthes- segmenataion
protostome
Platyhelminthes- development
Turbellaria
Trematoda
Cestoda
Platyhelminthes- taxa (3)
Hydrozoa
Schyphozoa
Cubozoa
Anthozoa
Cnidaria- taxa (4)
triploblastic
Nematoda- germ layers
bilateral
Nematoda- symmetry
complete
Nematoda- digestive system
pseudocoelomate
Nematoda- body cavity
protonephridia
Nematoda- excretory system
yes
Nematoda- cephalization
hydrostatic
Nematoda- skeleton
none
Nematoda- segmenataion
protostome
Nematoda- development
round worm
Nematoda AKA
ribbon worm
Nemertea AKA
triploblastic
Nemertea- germ layers
bilateral
Nemertea- symmetry
complete
Nemertea- digestive system
acoelom and coelom
Nemertea- body cavity
protonephridia
Nemertea- excretory system
yes
Nemertea- cephalization
hydrostatic
Nemertea- skeleton
none
Nemertea- segmentation
protostome
Nemertea- development
in Nemertea- in rhynchocoel, extends out and captures food (can have one or multiple)
Probiscis
wheel bearers
Rotifera AKA
triploblastic
Rotifera- germ layers
bilateral
Rotifera- symmetry
complete
Rotifera- digestive system
pseudocoelomate
Rotifera- body cavity
protonephridia
Rotifera- excretory system
yes
Rotifera- cephalization
hydrostatic
Rotifera- skeleton
none
Rotifera- segmentation
protostome
Rotifera- development
grinding aparatus in rotifera
Mastax
trochal disk rotifera
Corona
bryozoa
Ectoprocta AKA
triploblastic
Ectoprocta- germ layers
bilateral
Ectoprocta- symmetry
complete, u-shaped
Ectoprocta- digestive system
coelom
Ectoprocta- body cavity
yes
Ectoprocta- cephalization
hydrostatic and tube
Ectoprocta- skeleton
none
Ectoprocta- segmentation
protostome
Ectoprocta- development
has a circular or u shaped celiated organ to capture food
Lophophore
segmented worms
Annelida AKA
triploblastic
Annelida- germ layers
bilateral
Annelida- symmetry
complete
Annelida- digestive system
complete
Annelida- digestive system
closed
Annelida- circulatory system
coelomate
Annelida- body cavity
metanephridia
Annelida- excretory system
yes
Annelida- cephalization
hydrostatic
Annelida- skeleton
yes
Annelida- segmentation
protostome
Annelida- development
trochophore
Annelida- larva
planula
Cnidaria- larva
oligochaete
polychaete
hirudinea
Annelida- taxa (3)
mollusks
Mollusca AKA
triploblastic
Mollusca- germ layers
bilateral
Mollusca- symmetry
complete
Mollusca- digestive system
open
Mollusca- circulatory system
gills in mantle cavity
Mollusca- respiratory organs
coelom
Mollusca- body cavity
metanephridia
Mollusca- excretory system
yes
Mollusca- cephalization
shell
Mollusca- skeleton
most no, few yes (nautilus)
Mollusca- segmentation
protostome
Mollusca- development
trochophore
Mollusca- larva
polyplacophora
gastropoda
bivalvia
cephalopoda
Mollusca- taxa (4)
jointed appendages
Arthropoda AKA
triploblastic
Arthropoda- germ layers
bilateral
Arthropoda- symmetry
complete
Arthropoda- digestive system
open
Arthropoda- circulatory system
gills, trachea
Arthropoda- respiratory organs
coelom
Arthropoda- body cavity
metanephridia and malphigian tubules
Arthropoda- excretory system
yes
Arthropoda- cephalization
exoskeleton
Arthropoda- skeleton
yes
Arthropoda- segmentation
protostome
Arthropoda- development
trilobita
cheliceriformes
crustacea
myripoda
hexapoda
Arthropoda- taxa (5)
spiny skin
Echinodermata AKA
triploblastic
Echinodermata- germ layers
pentaradial
Echinodermata- symmetry
complete
Echinodermata- digestive system
none (water vascular)
Echinodermata- circulatory system
reduced tube feet
Echinodermata- respiratory organs
coelom
Echinodermata- body cavity
absent
Echinodermata- excretory system
2° lost
Echinodermata- cephalization
endoskeleton
Echinodermata- skeleton
yes
Echinodermata- segmentation
deuterostome
Echinodermata- development
star fish
brittle star
urchins
feather stars
sea cucumbers
Echinodermata- taxa (5)
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