2. Classifying Animals Catherine Millar Abby Durham 2 nd Grade Science

3. What are Amphibians? Live double lives, one in water, one on land Vertebrate animals Many begin life with gills, then develop lungs as they age Cold-blooded Examples: frogs, toads, salamanders, newts

4. What are Birds? Thousands of species Different shapes and sizes Lay eggs Feathers Wings Examples of flying birds: eagles, hawks, owls Examples of non-flying birds: ostriches, penguins

5. What is a Reptile? Live on land Most lay eggs Vertebrates Covered in scales Cold-blooded Examples of reptiles: snakes, alligators, lizards

6. What is a Fish? Water-dwelling creatures World’s oldest vertebrae Breath using gills, which draw oxygen from water into the bloodstream Most have bony skeleton Most reproduce by laying eggs Examples of fish: sharks, stingrays,

7. What are Mammals? Give birth to live young Warm-blooded Vertebrates, use lungs to breathe air Only animals to grow hair Examples of mammals: Humans, monkeys, dolphins, elephants, lions, bears, cheetahs