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Biology Lab Practical 1
Phylums and such. CNIDARIANS!!
65
Biology
Undergraduate 1
02/18/2014

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Term
Convergent Evolution
Definition
Two traits that evolved separately. Ex: Butterfly wings and bird wings
Term
Diploblastic
Definition
Two germ layers.
Term
Triploblastic
Definition
Three germ layers.
Term
Endoderm (gastrodermis)
Definition
Inner germ layer.
Term
Ectoderm (epidermis)
Definition
Outer germ layer.
Term
Mesoderm
Definition
Middle germ layer (forms coelem).
Term
Acoelomate
Definition
No body cavity.
Term
Psuedocoelomate
Definition
Body cavity only lined on outside.
Term
Phagocytosis
Definition
Plasma membrane swallows food. Ex: Amoeba, Euglena, and Phylum Ciliophera
Term
Cilia
Definition
Short numerous hairs on the edge of an organism. Used for movement.
Term
Flagellum
Definition
Long, whip-like tail that propels an organism.
Term
Psuedopodia
Definition
False foot.
Term
Miotic Fission
Definition
Cell splits in half to reproduce.
Term
Cyanocytes
Definition
Flagellated cells that function as feeding structures. Found in Phylum Porifera.
Term
Amoebocytes
Definition
Cells used for digestion, reproduction, carrying pigments, secretion of spicules, and spongin fibers. Found in Phylum Porifera.
Term
Leuconoid
Definition
[image]
Term
Asconoid
Definition
[image]
Term
Synconoid
Definition
[image]
Term
Spicules
Definition
Protective structure composed of calcium carbonate. Found in Phylum Porifera.
Term
Spongin
Definition
Connective tissue of sponges.
Term
Mesoglea
Definition
Not a true hydrostatic skeleton. Animals are supported by the water in which they live.
Term
Nemotocysts
Definition
Specialized organelle in cnidocyte cells. Small capsule with a barbed, coiled filament.
Term
Cnidocyte
Definition
Specialized cell used by cnidarians for stinging.
Term
Monecious (hermaphroditic)
Definition
An organism has both male and female reproductive organs.
Term
Gravid
Definition
To be full of fertilized eggs.
Term
Dioecious
Definition
Male and female reproductive organs are found in separate organisms.
Term
Proglottid
Definition
Cestoda body segments.
Term
Platyhelminthes
Definition
Phylum of flatworms including the classes Cestoda, Tremaoda, and Turbellaria. Incomplete digestive system.
Term
Nemertea
Definition
Phylum of worms individualized for having a proboscis. This phylum also has a complete digestive system.
Term
Proboscis
Definition
Tube-like mouth part used for catching prey.
Term
Nemertea
Definition
Ribbon worms.
Term
Trematoda
Definition
Parasitic flukes. Incomplete digestive system.
Term
Cestoda
Definition
Tapeworms. Incomplete digestive system.
Term
Turbellaria
Definition
Marine Flatworms, usually colorful. Incomplete digestive system.
Term
Cocci
Definition
[image]
Term
Bacilli
Definition
[image]
Term
Spirillum
Definition
[image]
Term
Ostium
Definition
Openings in side of sponge where water enters.
Term
Spongocoel
Definition
Empty center of sponge.
Term
Osculum
Definition
Opening on the ‘top’ of the sponge where water exits.
Term
Cnidaria
Definition
Phylum that contains the classes Hydrozoa, Scyphozoa, and Anthozoa.
Term
Anthozoa
Definition
Class of Cnidaria that has the polyp stage only.
Term
Hydrozoa
Definition
Class of Cnidaria that has a dominant polyp stage (medusa stage still present).
Term
Scyphozoa
Definition
Class of Cnidaria that has a dominant medusa stage (polyp stage reduced/absent).
Term
Anthozoa
Definition
Corals and sea anemones.
Term
Hydrozoa
Definition
Hydra, Obelia, and Man o' War.
Term
Scyphozoa
Definition
Jellyfish.
Term
Protista
Definition
Contains the phylums Euglenozoa, Apicomplexa, and Ciliophera.
Term
Cilophera
Definition
Paramecium (What phylum?)
Term
Apicomplexa
Definition
Plasmodium (What phylum?)
Term
Euglenozoa
Definition
Euglena (What phylum?)
Term
Plasmodium
Definition
Protists that can have multiple hosts. Also causes malaria.
Term
Scyphozoa
Definition
[image]
Term
Anthozoa
Definition
[image]
Term
Hydrozoa
Definition
[image]
Term
Proboscis
Definition
[image]
Term
Nemertea
Definition
[image]
Term
Turbellaria
Definition
[image]
Term
Bivalvia
Definition
Animals with two shells.
Term
Gastropodia
Definition
Animals that can live on land, may or may not have shell.
Term
Polyplachophora
Definition
Chitons.
Term
Cephalopoda
Definition
Squid, octopus, and Nauilus.
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