This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 5 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Scientific study of all the interrelationships between organisms and their environment
Relatively thin layer of earth and it's atmosphere that supports life
Any living factor in an organisms environment
Any nonliving factor in an organism environment
Group of organisms of the same species that occupy the same geographic place at the same time
All the interacting populations of different species that live in the same geographic location
Biological community and all non living factors affect it
Large groups of ecosystems that share the same climate and have similar types of communities
Physical area in which an organism lives
Role, or postition of an organism in it's environment
Rival between something or someone
Act of one organism feeding on another organism