What is this called?
It's a BACKBONE. (OR: spine, vertebrae)
What does it mean to CLASSIFY things?
It means to PUT THINGS IN GROUPS.
Name TWO TRAITS that mammals have.
They have FUR, make MILK, give birth to LIVE YOUNG, are WARM-BLOODED, etc.
Name TWO TRAITS that reptiles have.
They have SCALY, DRY skin, are COLD-BLOODED, LAY EGGS, etc.
Name TWO TRAITS that amphibians have.
They have MOIST skin, LIVE in BOTH land and water, LAY EGGS, are COLD-BLOODED, have WEBBED feet, etc.
Name TWO TRAITS that birds have.
They have FEATHERS WINGS, and BEAKS, they LAY EGGS, are WARM-BLOODED, etc.
Name TWO TRAITS that fish have.
They BREATHE/LIVE UNDERWATER, LAY EGGS, have SCALY SKIN, FINS, and GILLS, are COLD-BLOODED, etc.
What kind of animal is this? What doesn't it have?
It's a JELLYFISH. It doesn't have a BACKBONE.
How would you CLASSIFY humans? Why?
We're MAMMALS. We have HAIR, LIVE YOUNG, our mothers MAKE MILK, we're WARM-BLOODED, etc.
