Classification keys crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 11 clues. Answers range from 4 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
An animal that has a backbone
They are cold blooded animal that give birth on land
They have wings and lay eggs with hard shells
A place were an insect keeps its organs
They have 8 legs
To sort
An animal that can breath in water and on land
They only breath under water
Crabs come from this family of animals
They have fur and give their young milk
Animals without bones
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