Invertebrates/Arthropods

Animals with backbone are called______________

Animals with no backbone are called _______________

A backbone is made up of small bones called _______________

The back bone gives the animal's body ________________ and ______________________.

How many classes of vertebrates are there _____________

( write in WORD form)

Scientist believe that invertebrates make up _______% of all animals

(write the number)

There are how many classes of invertebrates?

(write the WORD)

What class are the "pore bearers"

The class of stinging cell animals are _________________

Class of spiny skinned animals is called _______________