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Specimine Lab Pract
BE366
| Question | Answer |
|---|---|
| Label Dogfish Structures | A. Claspers B. Rectal Gland C. Liver D. Pancreas (dark) |
| Function of Claspers: _________; Function of rectal gland: ____________ | internal fertilization for reproduction; concentrate urine |
| buoyancy produced by liver in sharks | squalene |
| cartilagenous fishes clade? | Chondrichthyes |
| What does electroreception in sharks? | ampullae of lorenzini |
| what aids in lift and thrust in sharks? what aids in reduced drag? | heterocercal tail; dermal denticles |
| Label Perch Structures | A. Opperculum B. Lateral Line C. Myomere D. Pyloric Ceca E. Swim Bladder |
| Function of lateral line? Function of swim bladder? | mechanoreception, buoyancy |
| What type of scales in bony fish? | Ctenoid scales |
| What type of fins in bony fish? | Bony fins |
| What allows for independent control of fins? | Modular fin control |
| Label Bullfrog Structures | A. Tympanic membrane B. cloaca C. prepollux D. Fat body E. Spleen F. Left Atrium |
| Fat body Function | protect reproductive organs, thermal regulation |
| What is frog mating called? what stimulates release of eggs? Use _______ to grip female, use _______ to hug/hold. | Amplexus; nuptual pad in males; adductor indicus longus=grip, hug= flexor carpi radialis |
| Bullfrog tongue muscles? | geneoglossus and depressor mandible |
| What types of respiration do frogs use? | cutaneous, buccal pumping |
| Label Turtle Structures | A. Carapace B. Bridge C. Plastron D. L and R subclavian arteries E. L. Aorta F. Stomach |
| How to sex turtles | Males= thicker post-cloacal tail, concave plastron |
| Differences between snake and turtle male reproductive structures? | Turtles have one penile structure, Snakes have 2 (hemipenes). Turtles have shovel shaped sulcus spermaticus, snakes have spikes on hemipenes |
| Turtles use _____ muscles for respiration, __________ respiration during hibernation | Abdominal/oblique; cloacal |
| Label Snake Structures | A. ventral scales b. post-anal scales c. trachea d. small intestine e. testes f. kidney |
| What is disconnected from liver in snakes, unlike other specimens | gallbladder |
| 3 types of teeth in snakes | palatine, maxillary, denture |
| what is the hinge bone of jaw | quadrate |
| chemoreception brings chemical cues to ________ organ | Jacobson's |
| which lung is primary functioning lung in snakes | right |
| Label Fetal Pig Structures | A. Diaphragm B. Lung C. Thymus D. Coronary Artery E. Bladder |
| Smaller= _________, Larger= ________ | umbilical arteries, umbilical vein |
| one male, one female | true |
| pig splanchnic bone | os rostri |
| bone between tibia and metatarsals | double pulle astragalus |
Created by:
lily_k