Reptiles

= ﻿ Rockin' Reptiles Report =

General Information:
 * Characteristics
 * Body Structure
 * Dry Skin & Scales (Protection and Water Preservation)
 * Legs Fully Under Body for Mobility
 * Jacobsen's Organ
 * Small Holes on the top of the Mouth where toung is inserted for Scent
 * Body function
 * lungs for gas exchange
 * three-chambered heart
 * Ectotherms
 * Reproduction
 * Internal fertilization
 * External development in amniotic egg
 * Several sacs inside a hard shell that nourish the embryo until it hatches
 * Key to reptile success
 * Taxonomy
 * Kingdom: Animalia
 * Phylum: Chordata
 * Subphylum: Vertebrata
 * Class: Reptilia
 * Order: Chelonia, Crocodilia, Squamata
 * Chelonia
 * Turtles
 * Protected by a shell
 * Powerful beak and jaws, but no teeth
 * Sea turtles have flippers and migrate to lay eggs on land
 * Tortoises
 * Live completely on land
 * Crocodilia
 * Crocodiles
 * More time spent in the water
 * Slender snout
 * Alligators
 * More time spent on land
 * Broad snout
 * Squamata
 * Lizards
 * Monitor Lizard & Komodo Dragon are largest
 * Geckos are small, nocturnal; have pads on their feet to walk on walls
 * Poisonous Include: Gila Monster (US) and Beaded Lizard (Mexico)
 * Snakes
 * Most numerous of all reptiles
 * No limbs
 * Hinged jaws to swallow prey whole
 * Constrictors (boas, pythons, anacondas)Poisonous (rattlesnakes, cobras, vipers) w/ venom that could destroy blood cells or nervous system

=﻿Article: Scientist Studies Frogs and Fish for Answers to Human Hearing= []

Video [] []