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V. Zoo Lab Practical 1
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58
Zoology
Undergraduate 4
03/14/2016
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Term
Acanthomorphs
 Definition
Dominate oceans, beginning to dominate freshwater
Term
Homoplasy
 Definition
Similar features in descendents that don't appear in an ancestor
Term
Agnatha
 Definition
No jaw
Term
Gnathostomes
 Definition
Jawed fish
Term
Two examples of jawless fish
 Definition
Hagfish, lamprey
Term
Two examples of gnathostomes
 Definition
Sharks, us
Term
Myxini
 Definition
Class the hagfish belongs in
Term
Cephaloaspidomorphi
 Definition
Class the lamprey belongs in
Term
Ostracoderms
 Definition
Jawless armored fish
Term
Placoderms
 Definition
Armored fish
Term
Elasmobranchii
 Definition
Sharks, skates, and rays
Term
Holocephali
 Definition
Ratfish/chimeras
Term
Acanthodii
 Definition
Spiny sharks
Term
Actinopterygii
 Definition
Ray-finned fishes
Term
Sarcopterygii
 Definition
Lobe finned fishes
Term
Two examples of sarcopterygii
 Definition
Lungfish and coelacanth
Term
Teleostomi
 Definition
"Complete bone", genome duplication, bony fish
Term
Osteichthyes
 Definition
Original bony fish, superclass
Term
Chondricthyes
 Definition
Cartilaginous fish, class
Term
Dorsal fin
 Definition
Fin on the back
Term
Anal fin
 Definition
Fin near tail on bottom
Term
Pelvic fin
 Definition
Fin on bottom near front, leg fin
Term
Pectoral fin
 Definition
Fin on sides, arms
Term
Caudal fin
 Definition
Tail
Term
Acanthomorpha
 Definition
Spiny ray-finned fishes
Term
Perciformes
 Definition
Order that contains yellow perch; trash can of acanthomorpha
Term
Cottidae
 Definition
Family of sculpin fish
Term
Micopterus salmoides
 Definition
Largemouth bass
Term
[image]
 Definition
Sensing organ in fish. Looks like this --------
Term
Operculum
 Definition
Bony gill cover
Term
Gill raker
 Definition
Look like teeth, keep food in mouth
Term
Gill filament
 Definition
Soft tissue that helps respiration
Term
[image]
 Definition
Ganoid; Gar
Term
[image]
 Definition
Shark scale, analogus to teeth; placoid
Term
Cycloid
 Definition
Circular scales
Term
Ctenoid
 Definition
Scales with cteni
Term
Maxilla
 Definition
Top jawbone, under premaxilla
Term
Premaxilla
 Definition
Frontal jawbone, top
Term
Dentary
 Definition
Lower jawbone
Term
Neural spine
 Definition
Above vertebrae
Term
Haemal spine
 Definition
Below vertebrae
Term
[image]
 Definition
Buoyancy, lung for some fish; swim bladder
Term
Atrium
 Definition
Anterior heart cavity
Term
Ventricle
 Definition
Posterior heart cavity
Term
Liver
 Definition
Filters blood; underneath stomach
Term
Pyloric caeca
 Definition
Spaghetti finger octopus
Term
Testis
 Definition
Smaller, less granular
Term
Ovary
 Definition
Larger, more granular
Term
Singular circulation
 Definition
Blood pumps, mix of oxygenated and deoxygenated blood
Term
Olfactory bulb
 Definition
Sense of smell
Term
Telencephalon
 Definition
Forebrain; holds olfactory
Term
Mesencephalon
 Definition
Midbrain - Vision, hearing
Term
Metencephalon
 Definition
Hindbrain- Cerebellum/motor skills
Term
Heterocercal
 Definition
Asymmetrical tail in sharks, and sturgeon
Term
Homocercal
 Definition
Symmetrical tail, lobed
Term
Diphycercal
 Definition
Tail in lungfish
Term
Squalus acanthis
 Definition
Dogfish
Term
Elassoma zonatum
 Definition
Pygmy sunfish
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