This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 5 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Community
Habitat
Succession
Climate
Biome
Producer
Decomposer
Commensalism
Autotroph
Population
Predation
Parasitism
Mutualism
Niche
Tropic level
Food web
Keystone species
Herbivores
Energy pyramid
Co-evolution