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23 Cards in this Set

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Porifera examples
sponges
porifera major characteristics
many are colonial
grouped according to type of skeleton
sessile as adults
hermaphroditic
free-swimming larva
asexual reproduction by fragmentation
primitive intracellular digestion
porifera
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
aggregate of cells, neither di or tri
acoelomate
asymetric
channel or filter feeder, intracellular digestion
radiata examples
(cneideria, cnetophora)
hydra, coral, sea anemone, jelly fish, comb jellies
radiata
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
diplo
acoelomate
radial
radial
1 opening, intracellular
platyhelminthes examples
planaria, tapeworm, liverfluke
platyhelminthes characterisitics
free living parasites
cephalization (head end first)
sensory cells anterior (in front of brain)
muscles
excretory system=flame cells that regulate water balance
metabolic wastes out through diffusion
-reproduction either
platyhelminthes
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
acoelomate
bilateral
bilateral
1 opening
nematoda examples
hookworm, pinworm, trichina (raw pork)
nematoda characteristics
two types of round worms
1. free living or
2. parasitic
-contain digestive, muscle, nervous, excretory and reproductive systems
-have separate sexes
-do NOT contain respiratory, circulatory, or skeletal systems
nematoda
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
pseudocoel
bilateral
bilateral
2 openings (protostomes)
annelida examples
earthworm, leeches, polychetes (marine worms)
annelida characteristics
-cephalization
-segmented worms, each with separate systems
-hermaphroditic-cross fertilization
-first appearance of circulatory system
-have muscles
-excretory, nervous, and digestive system
-long intestine
-no respiratory or skeletal system
annelida
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
coelomate
bilateral
bilateral
2 openings (proto)
mollusca examples
clam, mussel, snail, squid
mollusca characteristics
-soft body with shell
-body enclosed by soft tissue (mantle)
-excretion by nephridia
-open circulatory system pumped by 3 chambered heart
-fast movement
-separate sexes, gametes released into water
-cephalization and giant nerve fibers
-many are filter feeding herbivores
mollusca
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
coelomate
bilateral
bilateral
2 openings (proto)
anthropoda examples
crayfish, shrimp, centipede, insecta, spiders, millipedes
anthropoda characteristics
-segmented (head, thorax, abdomen)
-jointed appendages
-exoskeleton, (chitin)
-all systems present
-separate sexes
-nervous system ladder type
-ventral nerve cord
-respiration-trachea
anthropoda
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
coelom
bilateral
bilateral
2 openings (proto)
echindermata examples
starfish, sea urchin, sea cucumber, brittle stars, sand dollars
echindermata characteristics
-spiny skin
-highly developed water vascular system
-circulation in channels
-skin gills
echindermata
diplo or triplo?
type of coelem?
embryo sym.?
adult sym.?
alim. sys.?
triplo
coelom
bilateral
radial
2 openings (deuterostome)