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77 Cards in this Set
- Front
- Back
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Sponges
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Phylum Porifera
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Filter Feeders
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Animals that feed by straining suspended matter and foot particles from water, typically by passing water over a specialized filtering structure.
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Spongocoel
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Cavity inside a sponge; leads outside
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Chanocyte
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Serve both digestive and reproductive functions.
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Monoecious
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Both males and female within the same individual.
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Gemmule
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A free swimming sponge larva.
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Scletocyte
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Cells that secret spicules.
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Spicule
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A sponge skeleton that is made of calcium of silica.
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Spongocyte
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Secretes spongin, a soft material made of collagen that surrounds the spicules.
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Porocytes
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Become the holes in the sponge wall, regulates the current.
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Amoebocytes
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Transport nutrients and building materials to other sponge cells (not choanocytes), they can also act as gametes.
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Diploblastic
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2 distinct body layers with muscle tissue between them.
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What are the two body layers?
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Endoderm, Ectoderm.
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Incomplete Digestive System
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Mouth and anus are the same opening.
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Nerve net
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Decentralized nervous system.
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Polyp
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Anchored to a substrate, tentacles pointed up.
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Medusa
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Free swimming; tentacles pointed down.
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Cnidocytes
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The stinging cells of a cnidaria.
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Hydra
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Class Hydrozoa
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Jellyfish
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Scyphozoa
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Box Jellies
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Class Cubazoa
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Corals and anemones
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Class Anthozoa
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Example of Hydrozoa.
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Portuguese man of war.
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Planula
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Created from larva, it becomes the strobila.
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Strobila
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A reproductive polyp that produces medusa.
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Example of Scyphozoa
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Stinging Nettle, Lion's Mane.
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Example of Cubazoa
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Sea Wasp
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Zooanthelle
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Microscopic photosynthetic algae living in coral tissue. Provide coral with color, food, and oxygen.
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Flame Cells (bulbs)
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Regulate water and salt balance; removes cellular waste. Acts as the flatworm's kidney.
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Pharynx
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The incomplete digestive system opening in the flatworm.
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Psuedocoelomate
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False body cavity; fluid-filled space between the mesoderm and endoderm.
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Coelomate
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A true body cavity; space between the mesoderm and endoderm lined peritoneum.
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Rotifers
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Phylum Rotifera
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Complete Digestive System
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Separate Mouth and anus with tract between them.
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Corona
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Crown of cilia, used for locomotion, looks like a crown.
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Paratheogenic
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Females producing females.
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Mixis
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Mixing genes.
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Cutile
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"Skin" of non-living tissue.
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Hydrostatic skeleton
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Psuedocoelome fills will fluid; contained in the cuticle.
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Dioecious
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Separate males and females.
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Larva migrans
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When a different species worm, wanders around the body, confusion causes horrible effects for the house
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Roundworms
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Phylum Nematoda
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Exmaple of Nematoda
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- Hookworm
- Pinworm - Filarial Worm |
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Filirial worms cause what?
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Elephantiasis
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Planiara, Marine Flatworms
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Class Turbellaraia
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Fish Flukes
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Class Monogenea
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Flukes
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Class Trematoda
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Tape Worms
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Class Cestoda
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Rhadaites
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Secretes music, lays down pathways for travel.
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Example of Turebllaria
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- Planaria
- Marine Flatworms |
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Example of Trematoda
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- Chinese liver fluke
- Schistosome fluke |
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Scolex
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Anterior most portion contains hook and suction cups to anchor in intestinal wall.
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Proglottid
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Reproductive sections.
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Example of Cestoda
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- Beef tapeworm
- Pork tapeworm - Fish tapeworm |
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The Coelome
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Body cavity
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Acoelomate
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No body cavity, packed with no space between them.
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Respiration
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The active transport of oxygen into the body
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Circulation
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Active transport of oxygen to body cells.
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Metanephridia
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Regulates water and salt balance, removes metabolic wastes
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Snails and Slugs
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Class Gastropoda
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Foot
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Muscular body region used for locomotion, may be highly modified.
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Shell
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Hardened outer covering.
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Mantle
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Area of the body that secrets the shell.
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Radula
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Rasping mouthparts- may be highly modified.
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Visceral mass
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Location of most internal organs.
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Mantle Cavity
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Site of gas and water exchange.
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Torision
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180 degree reversal and twisting of visceral mass and mantle cavity- digestive tract twists on itself.
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Coiling
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Spiral winding of the shell and body, moves the shell off to one side.
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Divided shell
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A shell divided into 8 interlocking plates.
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Spilt shell
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2 halves hinged in the middle.
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Filter feeders
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Consume particles suspended in the water.
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Nacre
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The inner layer of a shell, secreted by mantle, site of pearl formation.
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Modified foot
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Arms and tentacles
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Closed circulation
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Blood always contained with in vessels/
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Pen
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Internal shell secreted by mantle
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Beak
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Radula modified into piercing structure.
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Internal Fertilization
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Direct placement of male gametes into female.
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