This printable crossword puzzle on the topic of Ecology & Evolution has 14 clues. Answers range from 7 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
An organism turning or reacting to an external stimulus
When an organism grows towards light
When an organism responds to/grows towards things it is touching
When an organism grows in the opposite direction of the force of gravity
An organism that makes its own food, the first trophic level
An organism that eats other organisms, every trophic level except the first
Organisms that break down dead or decaying organisms
An organism that makes it own food
An organism that eats other organisms
A close and long-term relationship between organisms that benefits at least one
A symbiotic relationship in which one organism benefits and the other is unaffected
A symbiotic relationship in which one organism benefits and the other is harmed
A symbiotic relationship in which both organisms benefit
The process in which organisms with adaptations survive and reproduce, passing on the adaptation to their offspring