How do Scientists Classify Animals?

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
• Called Vertebrates
• Animals without backbones
• Called Invertebrates
• There are MANY more animals without backbones in
  the worldsurprising, right??

3
Many different Invertebrates
Ants
Sea Star
Jellyfish
Bee
Snail
Sponges
Lobster
Butterfly
4
Insects and Spiders

• Insects have
• 3 body partshead, thorax, abdomen
• 3 pairs of legs (6 legs total)

• Spiders have
• 2 body partshead 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