- Invertebrates do not have a backbone (or spine).
- Vertebrates have a backbone (or spine).
Examples of Invertebrates:
- starfish
- sea urchin
- jellyfish
- crab
- lobster
- clam
- octopus
- squid
- insects
Fish:
- cold-blooded
- lays egg
- can live under water
- have fins and scales
Amphibians:
- cold-blooded
- lays egg
- can live in smooth, moist areas and under water
- have smooth skin
Reptiles:
- cold-blooded
- lays egg
- can only breathe air; animals and cannot live under water
- have dry, scaly skin
Birds:
- warm-blooded
- lays egg
- can only breathe air; animals and cannot live under water
- have feathers and beak
Parent Tip: Review the logic above to help your child master the concept of animal classification worksheet middle school.