This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Any relationship in which two species live closely together and at least one species benefits
A type of symbiosis where one species benefits and the other is neither helped or harmed
All the different populations that live together in a particular area
How an organism makes its living and interacts with biotic and abiotic factors (its job)
An organism that hunts and kills other organisms
The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time
An organism that a parasite lives with/ in/ on and provides energy for the parasite to live
A type of symbiosis where both species benefit from living together
An organism that benefits by living with/ in/ on a host
A type of symbiosis where one organism benefits while the other is harmed
All the members of one species living in the same area
An organism that is killed and eaten by another organism