This printable crossword puzzle on the topic of Ecology & Evolution has 14 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Struggle between organisms for limited resources in a habitat
Organism that is harmed in parasitism
Organism that does the killing in predation
Organism that is killed in predation
All the living and nonliving things that interact in an area
Place where an organism lives and that provides for its needs
Organism that benefits in parasitism
Interaction in which one organism kills and eats another
Study of how living things interact with each other and their environment
An approximation of a number
Relationship in which one species benefits and one is unharmed
A group of organisms that are physically similar and can produce fertile offspring
An organisms particular role in an ecosystem
Relationship in which at least one species benefits