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77 Cards in this Set

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