BIOL 1030 Study Guide - Midterm Guide: Endoskeleton, Eardrum, Swim Bladder

• School: University of Manitoba
• Department: Biological Sciences
• Course: BIOL 1030
• Professor: Kevin G.Scott

Document Summary

Sharks have several row of teeth that move forward as they lose their old teeth. Their digestive tract is signi cantly shorter than many other vertebrates. Within it intestines is a spiral valve that increases service area and prolong"s the passage of food through the digestive tract. Sharks have sharp vision but cannot distinguish colors their nostrils family function for smelling not breathing they have no ear drum. Sharks eggs are fertilized internally some of them lay eggs and son developed and uterus. Rays our bottom dwellers they feed using their jobs to crush crustaceans, their tails are whip like and poisonous. Has the vast majority they have a bony endoskeleton with a hard matrix of calcium phosphate they"re known informally as shes. They breed by drawing water through four or ve pairs of gills covered by a protective bony ap called operculum they have an air sac called swim bladder.