Morphology Symmetry: Bilateral Structure: They swim to force water through their gills. They have a very short esophagus with a big stomach, their liver helps with buoyancy. The lateral line in the nervous system is used fo r sensing vibrations in the water from other swimming animals. Great whites have an internal fertilization and also an extremely good sense of smell. Appearance: Great whites have a heavy body with a long snout. They are countershaded and and have long gill slits and numerous rows of sharp teeth that are continuously replaced.
Biology The great white shark has the ability to maintain a 10-18 degree fahrenheit above the temperature of the water. They have a torpedo shaped body that allows them to swim fast. Their many rows of teeth are very sharp and if one breaks, they can grow new ones.
Importance Ecological: If the white shark were to become extint, the seal, sea lion, and other main prey would explode. The shark is a top predator and keeps the population of these animals under control. Economical- Great resource of vitamin A, skin is used to make shoes, and flesh is used in some soups.
Vocabulary Internal fertilization-in mammals is done through copulation. Torpedo- cigar-shaped countershaded- color is darker oon the upper side and lighter on the underside.
Extinct- having no living members. Gill slits- openings in which water pases.
Facts 1. Has more than 3,000 razor sharp teeth. 2. They can jump completely out of the water (usually when trying to catch a fast seal or sea lion) 3. Has no bones, its skeleton is made out of cartilage. 4. The great white shark has been arounf for more than 11 milion years. 5. With their incredible sense of smell, they can detect one drop of blood in 1 million drops of water.