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23 Cards in this Set
- Front
- Back
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Porifera examples
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sponges
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porifera major characteristics
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many are colonial
grouped according to type of skeleton sessile as adults hermaphroditic free-swimming larva asexual reproduction by fragmentation primitive intracellular digestion |
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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 |
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radiata examples
(cneideria, cnetophora) |
hydra, coral, sea anemone, jelly fish, comb jellies
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radiata
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
diplo
acoelomate radial radial 1 opening, intracellular |
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platyhelminthes examples
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planaria, tapeworm, liverfluke
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platyhelminthes characterisitics
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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 |
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platyhelminthes
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
acoelomate bilateral bilateral 1 opening |
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nematoda examples
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hookworm, pinworm, trichina (raw pork)
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nematoda characteristics
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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 |
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nematoda
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
pseudocoel bilateral bilateral 2 openings (protostomes) |
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annelida examples
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earthworm, leeches, polychetes (marine worms)
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annelida characteristics
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-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 |
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annelida
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelomate bilateral bilateral 2 openings (proto) |
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mollusca examples
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clam, mussel, snail, squid
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mollusca characteristics
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-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 |
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mollusca
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelomate bilateral bilateral 2 openings (proto) |
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anthropoda examples
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crayfish, shrimp, centipede, insecta, spiders, millipedes
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anthropoda characteristics
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-segmented (head, thorax, abdomen)
-jointed appendages -exoskeleton, (chitin) -all systems present -separate sexes -nervous system ladder type -ventral nerve cord -respiration-trachea |
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anthropoda
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelom bilateral bilateral 2 openings (proto) |
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echindermata examples
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starfish, sea urchin, sea cucumber, brittle stars, sand dollars
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echindermata characteristics
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-spiny skin
-highly developed water vascular system -circulation in channels -skin gills |
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echindermata
diplo or triplo? type of coelem? embryo sym.? adult sym.? alim. sys.? |
triplo
coelom bilateral radial 2 openings (deuterostome) |
