G6 2nd Quarter, Amphibians and Reptiles

Animals with backbones

(a)  

Vertebrates, or animals with backbones, belong to the phylum (a)   .

Who is larger, invertebrates or vertebrates?

• invertebrates

• vertebrates

What supports the greater weight of vertebrates?

• exoskeleton

• backbones

What are the different classes of the phylum Chordata?

• amphibians

• reptiles

• birds

• mammals

• fish

What are the different classes of the phylum chordata? List in alphabetical order separated by a comma, in plural form.

(a)  

Fish breathe through their (a)   .

Fish are grouped based on what their skeletons are made of - either __ or __.

(a)  

In fish, it is a bonelike substance, but is more bendable than bone

(a)  

What are some examples of cartilage fish?

• sharks

• rays

• skates

• bluegill

• bass