Vertebrate 1st block classifying animals

This group has hair or fur.

• reptile
  reptile
• amphibian
• bird
• mammal

This group has feathers/

• fish
• reptile
• bird
• mammal

This groups starts as jelly-like eggs in water, but moves to land as they develop lungs.

• fish
• amphibians
  
• reptile
• mammal

This group does not lay eggs (except a few weird ones).

• reptile
• fish
• bird
• mammal

This group has bodies covered with scales, breathes with lungs, and lives on land (mostly)

• reptile
• mammal
• bird
• fish

This group breathes with gills all its life and has paired fins.

• reptile
• fish
• bird
• amphibians

This group can be jaw-less, cartilaginous, or bony.

• amphibian
• reptile
• fish
• bird

This group feeds milk to its young.

• birds
• mammals
• fish
• reptile

Many animals in this group go through metamorphosis (bodies change as they get older).

• fish
• reptile
• amphibian
• mamma;

This group is warm blooded and lays eggs with hard shells.

• fish
• reptile
• amphibian
• bird