This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A warm blooded vertebrate, born with fur, does not lay eggs.
group of animals with a backbone
group of animals without a backbone
who created the classification of animals
breathe through their gills and live in the ocean
cold-blooded animal, lay their eggs on land
animals which undergo metamorphosis
grouping animals based on similarities and differences
job role of classification
water-based mammal. begins with D