Classify=Sort.
There are many ways to group living organisms.
You can classify animals into two main groups. Vertebrate or Invertebrate.
All Vertebrates have
- Covering of skin that protects them
- Skeleton inside their body
- Muscles that help them move
- Blood moves through tubes
- Lungs or gills for breathing
Invertebrates
- 90% of all animals are invertebrates!
- Tend to be small because they do not have a back bone
- Many live in the ocean because the water supports their weight
- Some have a hard covering or a shell on the outside of their bodies for protection
- -Insects, Spiders, Crabs, snails, clams
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