... and a trunk. Many vertebrates have two pairs of limbs attached to the trunk. Amphibians go through a two-stage life cycle. They are laid in water or a damp environment to keep from drying out. They experience a metamorphosis or change in appearance from the baby to adult. When an amphibian hatches, it is in a gilled ... larva form. In frogs and toads this larva is called a tadpole. There are three basic groups of amphibians. The first group is frogs and toads, the second are newts and salamanders, and the third one ... All amphibians use their skin to take oxygen. Many breathe through g...

• Word Count: 530
• Approx Pages: 2
• Grade Level: High School

... , are entirely cold blooded. This means that these animals cannot regulate their own body temperature like birds and mammals. If the temperature of the environment is 85 degrees, then the reptile's body temperature is 85 degrees. Most reptiles lay eggs, but unlike amphibians, reptile eggs are laid on land. ... tomia (WNYHS). Turtles have shells that are constructed of two different parts, the carapace and the plastron. The carapace is located on the top of the shell and the plastron covers the bottom of the turtle's stomach. Their shells consist of three layers. The first layer is bone, ...

• Word Count: 2710
• Approx Pages: 11
• Grade Level: High School