This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 4 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Organism killed/consumed for food
Organism hunting/killing another for food
The actual area in the ecosystem where an organism lives, including all of its abiotic and biotic resources
All of the things an organism needs and does within its habitat
Both organisms involved benefit; helps both organisms survive
One organism is benefitted while the other is unaffected (neither benefitted nor harmed)
One organism (parasite) benefits from the relationship, while the other organism (the host) is harmed
Any interaction that involves a close, physical, long term relationship between 2 species
No two organisms can occupy the same niche at the same time
Where competition is occuring within the same species
Where competition is occuring between different species
A relationship that exists between 2 or more organisms that are fighting for the same limited resource
One animal kills and eats another for food