Evolution Vertebrates

In room six we have be learning to classify animals scientists classify animals and plants into groups in order to easily identify, sort, and name them.

Classify = SORT
there are many different ways to group living oganisms. one way is to according to how they use their food for energy.

you can classify into two main groups. vertebrates of invertebrates

ALL VERTEBRATES HAVE

• Covering of skin that protects them
• Skeleton inside there 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 be small because they do not have a backbone.
• Many live in the ocean because the water helps support their weight
• Some have a hard covering or shell on the outside of their bodies for protection.
• (e.g. Insects, spiders, crabs, snails and clams )