Vertebrates Crossword Puzzle

This printable crossword puzzle has 15 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

They Lay eggs in water
A Vertebrate is an animal that has a...
Class of vertebrates that includes frogs, toads, and salamanders
Hard tissue making up the skeleton of vertebrates
Tough elastic tissue composing most of the embryonic skeleton of vertebrates
The bony skeleton of the head of vertebrates
Class of vertebrates which feed young on milk
Have feathers and wings
A nocturnal bird with big eyes
Long amphibians and limbs are entirely lacking in most
The proverbial “king of beasts,”
Aquatic placental marine mammals
The 'King of the birds'
Mammals that belong to the same family as dogs
A mammal which hibernate when the food supply runs low