Invertebrates chart
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Transcript of Invertebrates chart
Porifera
Sponges
Cnidaria
HydraAnemonesJellyfish
Platyhelminthes
Flatworms
Nematoda
Roundworms
Annelida
Segmentedworms
Mollusca
SnailsClamsSquids
ArthropodaInsectsArachnicsCrustaceansMyriapods
EchinodermataSeastars,urchins,brittlestars,seacucumbers
ChordataVertebrates
Leveloforganization
Cellular.Lacktissues
Tissues,lackorgans
Organsystems Organsystems Organsystems Organsystems Organsystems Organsystems Organsystems
Germlayers Absent Two Three Three Three Three Three Three Three
Symmetry Absent Radial Bilateral Bilateral Bilateral Bilateral Bilateral Bilateral-larvaRadial-adult
Bilateral
Cephalization Absent Absent Present Present Present Present Present Absent Present
Bodycavity Absent Absent Absent Pseudocoelom Coelom Coelom Coelom Coelom Coelom
Segmentation Absent Absent Absent Absent Present Absent Present Absent Presentbutreduced
Habitat Marine,fewofthemfreshwaterspecies.Sessile.
Mostliveintheoceans.Polypsliveattached.
Aquatic,dampterrestrialplaces.Someparasites.
Allhabitatsaquaticandterrestrial,someofthemparasites
Sea,freshwater,dampsoils
Aquatic,terrestrialinsomeplaces
Allovertheplanet
Marineanimals Allovertheplanet
Feeding Filterfeeding Carnivorouspredators
Freelivingandparasites,detritivores,saprophages
Freelivingandparasites,detritivoressaprophages
Freelivingandparasites,detritivoressaprophages
Filterfeeding,othersherbivorous,othercarnivorouspredators
Herbivorous,othercarnivorouspredators,otherssaprophages
Herbivorous,othercarnivorouspredators
Herbivorous,carnivorouspredators,scavengers….
Body Spicules Stingingcellsgastrovascular
Flat Cylindrical Metamerssetae
VisceralmassmantleShellfoot
Cephalothorax,head,abdomen
Endoskeleton,calciumcarbonate