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Animal Classificatio

How Are Animals Classified

Invertebrate animals that have no backbone
Sponges look more like PLANTS than animals
Sponges eat tiny organisms that float in the water that passes in and out of their bodies
A hydra has snakelike tentacles around its mouth
Mollusks animals with soft bodies
Mollusks have bodies supported by one or two shells
Sea star uses powerful suction cups on its underside to pry open clams
Earthworm segmented worm
Earthworms digest decaying dead plant sediments in the soil
Vertebrates animals with a backbone
Fish lay their eggs in water and spend their whole lives in the water
A salamander is an amphibian
Amphibians lay their eggs in the water
Amphibians begin their lives breathing through gills.
Amphibians develop lungs and then live on land
How do reptiles breathe? with lungs all their lives
How do birds breathe? with lungs all their lives
Where do reptiles lay their eggs? on land
Where do birds lay their eggs? on land
Where do mammals live? on land, in the water, and in the air
Created by: ldorso