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49 Cards in this Set
- Front
- Back
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Aboral vs oral side |
Aboral side up, tube feet on ground Oral side up, tube feet exposed upward |
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What are Grantia spicules? |
Needles of calcium carbonate |
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What is the purpose of Grantia spicules? |
They provide structural support and deter predators. |
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Hydra classification |
Domain: Eukarya Kingdom: Animalia Phylum: Cnidaria Class: Hydrozoans |
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Hydra body plan |
Radically symmetrical polyp |
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Hydra mouth and tentacles |
Back (Definition) |
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Planarian classification |
Domain: Eukarya Kingdom: Animalia Phylum: Platyhelminthes Class: Turbellaria |
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Planarian auricles And eyespots |
Back (Definition) |
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Planarian mode of nutrition |
During feeding, a muscular, tubelike pharynx extends out from the mouth and sucks food |
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Rotifer classification |
Domain: Eukarya Kingdom: Animalia Phylum: Rotifera |
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Rotifer corona, foot, and toe |
Back (Definition) |
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Cnidarian classification |
Domain: Eukarya Kingdom: Animalia Phylum: Cnidaria |
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Cnidarian body plan |
Back (Definition) |
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Porifera sponge classification |
Phylum: Porifera |
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Porifera osculum and ostia |
Back (Definition) |
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Class Anthozoa |
Sea anemones, coral, and sea fans Solitary (anemones) or colonial (coral) polyps that lack a medusa stage |
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Classification of all animals |
Domain: Eukarya Kingdom: Animalia Supergroup: Opisthokont |
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Class Scyphozoa |
Marine jellies Mouth surrounded by tentacles Rhopalia (clusters of sensory cells on edge of “bell”) |
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Phylum Cnetophore diversity |
Comb jellies 8 rows of comb-like plates of fused cilia Diploblastic Bilateral symmetry 2 tentacles covered with colloblasts |
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Grantia xs |
Back (Definition) |
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Porifera body plan |
Outer epithelium: water comes in ostia and exits osculum Mesohyl: gelatinous matrix, spicules, spongin, amoebocytes Choanocytes: collar cells, flagellated to circulate water, engulf food from passing water |
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Porifera diversity |
Sponges |
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Cnidaria diversity and body plan |
Corals jellies hydras anemones Radial symmetry Diploblastic |
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Class Hydrozoa |
Hydroids, hydra, Portuguese man of war Most have both polyp and Medusa stage (polyp often colonial: Portuguese man of war) |
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Platyhelminthes diversity |
Flatworms dorsoventrally flattened Ciliated Acoelomate Parasitic or free living Incomplete digestive tract No circulatory system Excretory system Simple nervous system Sexual reproduction Hermaphroditic |
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Platyhelminthes mode of nutrition |
Only one opening, pharynx Metabolic wastes usually excreted into gut, eliminated through mouth |
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Platyhelminthes scolex |
Class cestoda: tapeworms Parasitic, adult attaches to wall of host intestine using scolex |
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Phylum nematode diversity |
Roundworms Ecdysozoa/moult Parasitic or free living Pseudocoelomates Unsegmented Complete digestive tract No circulatory system Sexual reproduction |
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Subphylum Chelicerata |
Sea spiders, horseshoe crabs, scorpions, spiders, and mites Body has 2 tagmata: cephalothorax and abdomen 6 pairs of appendages: Chelicerae- one pair as pincers or fangs. Pedipalps- one pair for sensing, feeding, or reproduction. Walking legs- 4 pairs |
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Subphylum Crustacea |
Crabs, lobsters, crayfish, shrimps, barnacles, pillbugs 2 pairs of antennae 3 or more pairs of legs Appendages are biramous (branch in two) |
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Subphylum Myriapoda |
Millipedes and centipedes Terrestrial Head with antennae and jaw-like mandibles Trunk with legs |
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Subphylum Hexapoda |
Insects Live in most terrestrial and freshwater habitats 3 tagmata: head, thorax, abdomen Undergo metamorphosis: incomplete and complete |
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Phylum Echinodermata diversity |
Sea stars, brittle stars, sea urchins, sand dollars, sea cucumbers Exclusively marine Coelomate Endoskeleton of calcium plates |
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Class Asteroidea |
Sea stars and sea daisies Tube feet with suction cups Have 5 arms or multiples of 5 Can regenerate lost arms |
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Class Echinoidea |
Sea urchins and sand dollars Lack arms Double rows of tube feet Protective moveable spines |
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Phylum Mollusca |
Gastropods, bivalves, cephalopods |
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Class gastropoda |
Internal fertilization Limpets, snails, slugs, nudibranch Head with pair of tentacles with eyes Coiled shell Radula Torsion: visceral mass rotates 180 degrees during development |
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Class Cephalopoda |
Squid, octopus, nautilus Active predators Closed circulatory system Highly developed nervous system |
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Class Bivalva |
Clams, scallops, mussels, oysters No radula or head Have two shells (valves) hinged together (adductor muscles counter hinge ligament) Suspension feeders Water enters through inhalant siphon and exits through exhalant siphon |
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Class Polyplacophora |
Chitons Shell of 8 dorsal plates Grazing herbivores No head |
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Phylum Annelida diversity |
Segmented worms Earthworms, leeches |
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Class Polychaeta |
Clamworms, scaleworms, lugworms, sea mice, tubeworms Paired parapodia on segments |
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Class Oligochaeta |
Earthworms, leeches Clitellum found in all members Few chaetae |
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Phylum Anthropoda |
Most successful animals Segmented Jointed appendages Coelomate Segmentation, exoskeleton, jointed appendages |
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Clam recognize anatomy: Gills, mantle, siphon, foot, adductor muscle, umbo, foot |
Back (Definition) |
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Clam gill function |
Exchange gases and trap food |
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Clam mantle function |
Secretes the shell and acts as a respiratory organ |
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Clam siphon function |
Usually water enters the mantle cavity through the inhalant siphon, moves over the gills, and leaves through the exhalant siphon. |
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Clam foot function |
Enables the clam to burrow itself in mud or sand |
