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37 Cards in this Set
- Front
- Back
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Porifera
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Sponges
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Silicea
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Sponges
phylum Porifera contain spicules which provide structure and protection syconoid |
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3 sponge body plans
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asconoid - simple
syconoid - medium leuconoid - complex |
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Calcarea
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Sponge
phylum Porifera syconoid |
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Bath sponge body plan
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leuconoid
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Jellyfish Phylum
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Phylum Cnidaria
(animals with stinging cells) radially symmetrical diploblastic specialized cells called cnidocytes specialized organelle called nematocysts |
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Class Hydrozoa
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Phylum Cnidaria
Sessile polyp stage (Primary) sexual medusa stage (minor) Gastrozoid Gonozoid Example Obelia, Hydra |
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Class Scyphozoa
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True Jellyfish
Phylum Cnidaria example: Auralia scyphistoma (budding polyp Ephrya (turns into adult medusa) |
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Class Anthozoa
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Phylum Cnidaria
anemones and corals exclusivlely polyps |
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Flatworms
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Phylum Platyhelminthes
(sub-clade Lophotrochozoa) Triploblastic Bilateral symmetry |
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Class Trematoda
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Phylum Platyhelminthes
flukes parasites acoelomates primary organs are for reproduction |
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Class Cestoda
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tapeworms
Phylum Platyhelminthes no digestive tract sucker - scolex segment - proglottid |
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Class Turbellaria
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Free-living planaria
Phylum Platyhelminthes light sensitive eye spots intestinal branching protruding pharynx |
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Segmented Worms
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Phylum Annelida
coelomates Protostomes Diploblastic |
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Class Hirudinea
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Phylum Annelida
(Leeches) Ceolomate |
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Class Polychaeta
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sand worms / marine worms
(many bristles) contain setae (bristles) Coelomate |
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Class Oligochaeta
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earth worms
(few bristles) hemaphroditic note the Pharynx, crop, gizzard, heart, seminal vesicles (larger) and seminal recepticals (smaller) |
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Class Polychaeta
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sand worms / marine worms
(many bristles) contain setae (bristles) Coelomate |
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Class Oligochaeta
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earth worms
(few bristles) hemaphroditic note the Pharynx, crop, gizzard, heart, seminal vesicles (larger) and seminal recepticals (smaller) |
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Phylum Mollusca
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Clams, squid, snails
(soft bodies) Bilateral body symmetry coelomates muscular foot, visceral mass, mantle |
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Class Polyplacophora
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Phylum Mollusca
=many shells flattened shell with overlapping plates & broad flattened foot live in rocky intertidal zone example chiton |
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Class Gastropoda
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Phylum Mollusca
snails note radulla |
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Class Bivalvia
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Phylum Mollusca
clams, oysters = two shells note mouth, nerve cord, heard, digestive tract, mantle , muscular foot, aductor muscles, gills |
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Class Cephalapoda
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Phylum Mollusca
squid, octopus, chambered nautilus Closed circulatory system, highly developed nervous system, and vision |
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Round worms
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Phylum Nematoda
pseudocoelomates Protostome complete digestive tract |
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Phylum Arthropoda
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mites, crustaceans, crabs, spiders, insects
Subphylums: Chelicerata, Myriapoda (many feat), Hexapoda , Crustacea, Maxillopoda |
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Arthropoda features/body plan
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bilateral
triploblastic protostomes open circulatory system |
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Subphylum chelicerata
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Class Arachnida
Class Merostomata horseshoe crabs, spiders note book gills on horseshoe crab note chelicerats (fangs on the spiders) |
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Subphylum Myriapoda
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Phylum Arthropoda
centipedes and millipedes =many feat |
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Subphylum Hexaboda
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Phylum Arthopoda
insects (bees, ants, butterflies) single pair of antennae |
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Subphylum Crustacea
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Phylum Arthropoda
Class Malacostraca (crayfish, shrimp, crabs) 2 Body parts abdomine & cephalothorax |
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crayfish, shrimp, crabs
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Class Malacostraca
Phylum Arthropoda |
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barnacles
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Class Maxillopoda
SubPhylum Crustacea Phylum Arthropoda |
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Phylum Echinodermata
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= spiny skin
sea star, sea cucumber, sea urchins, sand dollar, brittle stars deuterostomes bilateral symmetry |
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Class Echinoidea
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sea urchins
sand dollars Phylum Echinodermata deuterostomes |
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Class Holothuroidea
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polyp like
sea cucumber Phylum Echinodermata deuterostomes |
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Class Asteroidea
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star like
sea star Phylum Echinodermata deuterostomes note the madreporite - connects to the internal water vascular system mouth region digestive gland gonadal material ampuli (tube feet) |
