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Biology Practical #2 dsc
Biology Practical #2 dsc
35
Biology
Undergraduate 1
08/10/2011

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Term
Phylum Mollusca "shell animals"
Definition
Symmetry- Bilateral
Level of Organization-Organ systems
Gut- Complete
Coelom Status- True
Germ Layers- 3
Body Support- Hydro Static
Unique Character- Mantel Organ that builds shells
Are Protosomes
Term
Oysters and Clams Belong to what Phylum and class
Definition
Phylum Mollusca
Class Bivalvia
Term
Snails, Slugs, and Nudibranches Belong to what Phylum and class
Definition
Phylum Mollusca
Class Gastropoda
Term
Squids, Octopi, chamber Nautilus, limpets Belong to what Phylum and class
Definition
Phylum Mollusca
Class Cephalopoda
Term
Chiton Belong to what Phylum and class
Definition
Phylum Mollusca
Class Polyplacophara
Term
Radula
Definition
is an anatomical structure used by molluscs for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus. The radula is unique to the molluscs, and is found in every class of mollusc except the bivalves.
Term
3 main body parts of Phylum Mollusca
Definition
Head Mantle Foot
Term
Special Attributes for Octopus and Chamber Nautilus
Definition
Both have tentacles and Eyes
Term
Phylum Nematoda
Definition
Symmetry- Bilateral
Gut- Complete
Coelom Status- False
Level of Organization- Organ Systemm
Germ Layers- 3
Body Support- Hydro Static
Unique Character- The simplest design but, have a complete digestive tract.
Are Protosomes
Term
Ascaris (hook worm), heartworm belong to what phylum
Definition
Phylum Nematoda
Term
Trashing Movement of Phylum Nematoda
Definition
They only have one set of muscles (longitudinal, no circular muscles)
Term
Phylum Echiondermata
Definition
Symmetry- Radial as Adults
Gut- Complete
Coelom Status- True
Level of Organization- Organ Systems
Germ Layers- 3
Body Support- Endoskeleton
Unique Character-Water Vascular System, radial symmetry
Are Deuterstome
Term
Functions of water Vascular system
Definition
Movement, attachment, food handling, respiration, excretion, sensory perception
Term
Sea Stars Belong to what Phylum and class
Definition
Phylum Echinodermata
Class Asteroidea
Term
Sea Cucumbers Belong to what Phylum and class
Definition
Phylum Echinodermata
Class Holothuroidea
Term
Sand Dollars Belong to what Phylum and class
Definition
Phylum Echinodermata
Class Echinoidea
Term
Basket Star Belong to what Phylum and class
Definition
Phylum Echinodermata
Class Crinoidea
Term
Phylum Arthropoda
Definition
Symmetry- Bilateral
Level of Organization- Organ System
Gut- Complete
Coelom Status- True
Germ Layers- 3
Body Support- Exoskeleton
Unique Character- Exoskeleton contains chitin
Are Protosomes
Term
3 main areas of Phylum Arthropoda
Definition
Head
Thorax
Abdomen
Term
Gills are used by what sub-phylum in the Phylum Arthropoda
Definition
Sub-Phylum Crustacea
Term
Booklungs are used by what Sub-phylum in the Phylum Arthropoda
Definition
Phylum Arthropoda
Sub-Phylum Chelicerata
Term
Trachea tubes are used by what sub-phylum in the Phylum Arthropoda
Definition
Phylum Arthropoda
Sub-Phylum-Uniramia
Term
Reason for insects success
Definition
First to fly
Term
Crabs, lobsters, shrimp Belong to what Phylum and sub-phylum
Definition
Phylum Arthropoda
Sub-Phylum Crustacea
Term
Grasshoppers, centipedes Belong to what Phylum and sub-phylum
Definition
Phylum Arthropoda
Sub-phylum Uiramia
Term
Spiders Belong to what Phylum and sub-phylum and Group
Definition
Phylum Arthoropoda
Sub-Phylum Chlicerata
Group Arachnids
Term
Phylum Chordata
Definition
Symmetry- Bilateral
Level of Organization- Organ System
Gut- True
Coelom Status- True
Germ Layers- 3
Body Support-Endoskeleton
Unique Character- Dorsal Hollow nerce cord Post Anal Tail at some stage in life
Are Deuterostome
Term
4 Unique features to all chordates
Definition
1. Notochord- a flexible, supportive rod just ventral to the nerve chord.
Nerve Chord- that is dorsal to the notochord and most other structures and hollow
3. Gill Slits in the neck region
4. muscular post anal tail.
Term
Shared Derived Traits in Mammals
Definition
Hair at some stage in life
Mammary glands
Ear has an outer portion
Term
Endothermic
Definition
Maintaining body heat through metabolic processes.
Term
Ectothermic
Definition
Using warth from surroundings to maintain body heat
Term
Embryonic Tissues
Definition
Endoderm- Digestive System
Ectoderm- Epidermis mammary glands
Mesoderm- heart kidneys and spleen
Term
Sea Squirts belong to the floowing phylum and sub-phylum
Definition
Phylum Chordata
Sub-Phylum- Urochordata
Term
Lancelets belong to the floowing phylum and sub-phylum
Definition
Phylum Chordata
Sub-Phylum Cephalchordata
Term
Hagfish and sea lamprey belong to what class and sub-phylum
Definition
Sub-phylum- Vertebrata
Class Cephalaspidomorphi
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