This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
An organism that can make its own food
a group of ecosystems with similar climates and organism
an organism that obtains energy by feeding on other organisms
all the living and nonliving things that interact in an area
all the different populations that live together in an area
an organism that breaks down wastes and dead organisms
an environmental factor that prevents a population from increasing
a living part of an ecosystem
a nonliving part of an ecosystems
the organism that is killed
the organism that does the killing
the pattern of overlapping food chains inn an ecosystem