This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 5 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Living Thing
An organisms role in the ecosystem
Plant Eater
A living thing in the ecosystem
Food chains linked together
Community of living and non-living organisms
Organisms that make their own food
Variety of life in an ecosystem
Interaction between organisms that harms both species
Non-living parts of an ecosystem
Organisms that break down dead waste
The process of species adjusting to their environment
A way to estimate a population
Process of evolving populations in a lifeless area
A species that everything in an ecosystem depends on
The number of a specific species
The process of nitrogen being converted
Using past behavior as an indication of a species population
The first species in an ecosystem
A chart that shows how energy is transferred from one trophic level to another