This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A predator residing at the top of a food chain
Relating to or resulting from living organisms.
Organisms that make their own food using photosynthesis
Physical rather than biological; not derived from living organisms.
A relationship where one species, the parasite, benefits at the expense of the other, the host.
Organisms that eat the autotrophs; these organisms can be called herbivores.
The struggle between two organisms for the same resources within an environment.
biological interaction where a person or thing that is the victim of an predator
They feed directly on plants;
They feed on first order consumers
They feed on second level consumers
Symbiosis which is beneficial to both organisms involved.
The action or process of adapting or being adapted.
Make (something) suitable for a new use or purpose; modify.
each of several hierarchical levels in an ecosystem, consisting of organisms sharing the same function in the food chain and the same nutritional relationship to the primary sources of energy.