1. How do Scientists Classify Animals?
There are many different animals on earth. You will discover how scientists sort them into groups.

2. Two big groups… Animals with backbones Animals without backbones
Called Vertebrates
Animals without backbones
Called Invertebrates
There are MANY more animals without backbones in the world…surprising, right??

3. Many different Invertebrates…
Ants
Sea Star
Jellyfish
Bee
Snail
Sponges
Lobster
Butterfly

4. Insects and Spiders Insects have: Spiders have:
3 body parts…head, thorax, abdomen
3 pairs of legs (6 legs total)
Spiders have:
2 body parts…head and abdomen
4 pairs of legs (8 legs total)

5. 5 Categories of Vertebrates
Fish
Amphibians
Reptiles
Birds
Mammals

6. Everyone learns from their parents!
Baby animals learn some behaviors by watching their parents.
Instincts are things animals are born knowing how to do.
birds fly south for the winter
baby sea turtles crawl to the ocean
human babies cry when they are hungry
Reflexes are simple, automatic behaviors.
blinking when something is thrown at your face