these need air, water, food, and a safe place to live
Needs - All Living Things
group things that are similar
classify / sort
animals with no backbone
invertebrates
animals with a backbone
vertebrate
animals with hair or fur
mammals
animals that have feathers
birds
animals that have dry skin covered with scales
reptiles
animals with smooth moist skin, and no scales
amphibian
animals with fins for swimming, gills for breathing, and skin covered in scales
fish
these help fish, and some amphibians, take in air from water
gills
these help fish swim in water
fins