This printable crossword puzzle on the topic of Animals (General) has 15 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Order for salamanders
Amphibians are ___ so they have a low metabolic rate
Caecilians have lost these
Another name for bony fish
Bony fish stay buoyant with this
Frogs lay eggs in moist areas so that they do not
Amphibians first appeared in this era
In bony fish the __ helps pump water over the gills
Number of chambers in a fish heart
How most bony fish fertilize eggs
Nickname for tiktaalik
A fully terrestrial early tetrapod with a fish-like tail
This tetrapod was a "poor excuse for a land animal"
Tetrapods have a fusion of the __ to the backbone
Aquatic larvae of terrestrial adult salamanders have useless__ that will be functional as adults