This printable crossword puzzle on the topic of Ecology & Evolution has 50 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Part of the earth where life exists
An organism's way of life
The study of interaction between organisms and their environment
An organism that feeds on another living creature, usually without killing it
A consumer that eats plants
A close, long term relationship between two or more species
A group of individuals of the same species
All of the populations of different species that live and interact in an area
A community of organisms and their non-living environment
Organisms that eat producers ot other organisms for energy
Organisms that gets energy by breaking down the remains of decaying organisms
A consumer that eats a variety of organisms
Non-living factors in the environment
The environment where an organism lives
Organisms that produce their own food
Loss of soil to wind or water
Substances washed into water sources
Feeding on dead animals
Organism that is hunted
Measure of population per unit area
A system of interdependent food chains
Of or relating to or formed by trees
A region including the bottom of the sea and the littoral zones
Capable of being decomposed
Major ecological community with distinct climate and flora
Wet spongy ground of decomposing vegetation
A covering that shelters an area from the weather
Dense vegetation consisting of stunted trees or bushes
Careful management of the environment and natural resources
Tourism to exotic or threatened ecosystems to observe wildlife or to help preserve nature
Goddess of the earth and mother of Cronus and the Titans in ancient mythology
Of or relating to or living in still waters
A colorless gas that is a screen for ultraviolet radiation
Make impure
Use again after processing
Capable of being replaced
Having lost all moisture
Capable of being prolonged
Of or relating to nutrition or feeding
Being deficient in moisture
The action or process of taking over
Be in charge of, act on, or dispose of
Of or relating to or living in actively moving water
Requiring a salt-rich environment for growth and survival
A periodically repeated sequence of events
Remove something that has been rejected
The branch of biology that studies plants
The property of a more than adequate quantity or supply
existing, living, or growing in the air
The act of contending with others for rewards or resources