This printable crossword puzzle on the topic of Ecology & Evolution has 18 clues. Answers range from 3 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
This consists of both living and non-living things
These species are at the top of the food chain
A simbiotic relationship where both parties benefit
A relationship when one party benefits and the second party is unaffected
A relationship where one part benefits and the second party is harmed
This is found at the bottom of the food chain
Rocks and lava are part of this
Living things are part of this
This gas makes up most of what is found in the atmosphere
This is required for work to be done
An animal that eats herbs and meat is an
These are meat eaters
Animals whose diets consists strictly of plants or grass
Singapore has lost 94% of this ecosystem
Loss of this would mean the possible destruction of the ecosystem
The main source of the earth's energy
These help nutrients return to the soil
The percentage of energy passed along the food chain