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30 Cards in this Set

  • Front
  • Back

symmetry

none, radial, or bilateral

reproductive system

her-ma-ph-ro-ditic, or sexes separate

fertilization

internal or external

nervous system

none, nerve net, or nervous system with brain

digestive tract

none, incomplete or complete

circulatory system

none, open or closed

re-spira-tory system

none, gills, lungs, trachea or other

ex-cre-tory system

none, pro-tone-ph-ri-dia, meta-ne-ph-ri-dia, ne-ph-ri-dia, or Mal-pig-hian tubules

body cavity

none, pseu-do-coelom or coelom

segmentation

none, or segmented (body made up of a series of similar units)

Appen-dages

none, ten-ta-cles, arms, legs, fins, wings, etc.

sessile

immobile

sponges

sponges

PO-RI-FERA

HYDRA, CORAL, SEA ANEMONE, JELLY

HYDRA, CORAL, SEA ANEMONE, JELLY

CNI-DA-RIA

SEAR STARS

SEAR STARS

ECHI-NO-DER-MATA

TUNICATES(SEA SQUIRTS) LANCELETES (AMPHIXOXUS) AND VERTEBRATES(FISH, AMPHIBIANS,REPTILES,BIRDS, MAMMALS)

TUNICATES(SEA SQUIRTS) LANCELETES (AMPHIXOXUS) AND VERTEBRATES(FISH, AMPHIBIANS,REPTILES,BIRDS, MAMMALS)

CHOR-DATA

po-ri-fera

generally none symmetry; asexual (budding) or sexual( no specialized organs, her-map-ph-ro-ditic) internal (sperm find eggs between cell layers), none nervous system no sense organs; none digestive system intracellular digestion; none circulatory,respiratory,excretory system. no body cavity, segmentation, appendages.

cni-da-ria

RADICAL;asexual (budding) or sexual(usually her-map-ph-ro-ditic often with transient organs) usually external. NERVE NET SIMPLE SENSORY CELLS SOME HAVE EYES/STATOCYSTS. INCOMPLETE (Gas-tro-vascular cavity)intra-and EXTRA- cellular digestion


none none none...(CORAL has external skeleton)

Echi-no-der-mata

general radial in adults, bilateral in larvae;usually sexual sometimes asexual, usually separate sex external(no specialized organs in lilies-sessile) SIMPLE BRAIN(nerve ring)with nerves ,sense organs; complete extracellular digestion; open but much reduced, 1- chambered heart; gills;no excretory system;coelom present; unique water-vascular system:locomotion(tube feet) respiration, circulation excretion.


Endoskeleton with calcium(much reduced in sea cucumbers)


no segmentation

Chor-data

bilateral, sexual usually separate internal or external; brain with dorsal hollow nerve cord and ganglia, sense organs;complete extracellular digestion;closed heart with 2 or more chambers, gills or lungs, ne-ph-ridia, coelom present ; noto-chord (sometimes lost in adult) endoskeleton (sometimes in calcium) muscular,post-anal tail(may lost in adults) usually with paired appendages, segmentation reduced or absent

plan-arians, flukes, tapeworms

pla-ty-hel-min-thes

pla-ty-hel-min-thes

bilateral, asexual(fission) or sexual (reprodcutive ogans, her-ma-phroditic) internal. net-like but simple brain and nerves sense organs(or none) incomplete(gas-tro-vascular cavity) with intra- and extra-cellular or none, none circulatory and respiratory system. excretory :pro-tone-ph-ridia ; no body cavity ,segmentation (except in tapeworms) no skeleton or appendages)

chitons,limpets,snails,clams, mussels scallops,squids,octopuses, cuttlefish and nautili

chitons,limpets,snails,clams, mussels scallops,squids,octopuses, cuttlefish and nautili

Mo-llus-ca

Mo-llus-ca

bilateral or none; sexual usually seperate and external (land snails usually hermaphroditic and internal) simple brain (nerve ring) with nerves and ganglia, sense organs. complete extracellular. open with 3-chambered heart (2 in snail,slug) closed with two extra 1-chambered hears in squid,octopus ,nautilus ,cuttlefish. gills(most land snails have a lung); Excretory ME-tane-phridia. coelom present but reduced to a small cavity around the heart


protective shell(reduced in squids and cuttlefish, none in slugs and octopods)


single ,muscular foot(modified to ten-ta-cles in octopods,squids, cuttlefish and nautili) no segmentation

earthworm,leech,worm

anne-lida

Anne-lida

bilateral,sexual usually her-maphroditic internal.


simple brain(nerve ring) with nerves and ganglia sense organs. complete extracellular; closed often with several 1 chambered hearts,none or gills,me-tanephridia,coelom present , prominent segmentation.some have paired appendages

roundworms

ne-ma-toda

ne-ma-toda

bilateral,sexual usually seperate internal;simple brain(nerve net)with nerves NO sense organs. complete extra-; none circulatory respiratory, simple glands for excretory. no segmentation appendages. Pseu-do-coelom present,

spiders scorpions horseshoe crab, inscets..

spiders scorpions horseshoe crab, inscets..

Ar-thro-poda

Ar-thro-poda

bilateral,sexual seperate internal (rarely external)


brain with nerves and ganglia sense organs.


complete extra-; open with 1 chambered heart, trachea,lungs or gills; mal-pig-hian tubules or me-tane-phridia; coelom present but reduced to one or two small spaces, exoskeleton with chitin. body segmented. paired ,joint walking appendages (insects usually have 2 pairs of wings)