This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
An animal that has moist skin and no scales
An animal's color or pattern that helps it blend in with its surroundings
A period when an animal goes into a long, deep "sleep"
The largest group into which living things can be classified
An animal that has hair and produces milk for its young
The movement of a group of one type of animal from one region to another and back again
An invertebrate that may or may not have a hard outer shell
The protection of an area
An animal that has dry, scaly skin
An animal that has feathers, two legs, and wings
An animal that lives its whole life in water and breathes with gills
The place where a population lives in an ecosystem
An animal's imitation of another animal or of an object in order to avoid predators
An animal that hunts another animal for food
An animal that is hunted by a predator