This printable crossword puzzle on the topic of Ecology & Evolution has 11 clues. Answers range from 7 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a change in structure physical or habits behavior often hereditary that help an organism survive
physical adaptations changes in an organisms body that serves a function or purpose to help them survive
a body part that does a certain job for an organism such as a duck having wings, webbed feet, and a bill
the job that a body part does in an organism
characteristics that blend in with the surrounding environment that increase chances of survival
the resemblance of an organism to another organism that gives it a better chance to survive
change in behavior such as dormancy, migration, or hibernation that helps an organism survive
when an animal sleeps in the winter
to move from once place to another in search of food, water, or different temperatures
a phase of minimal activity (trees in winter, frogs in winter)
active at night