This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the study of an environment
the total amount of a species in a certain space
the combined life in a given habitat
the living and nonliving things in an area
a unique large scale habitat (determined by climate)
basic "story" of who eats who
complex food chains
living parts of an ecosystem
nonliving things in an ecosystem
the environment that has a unique set of conditions
a unique job that a species occupies
eats only plants
eats only meat
eats plants and meat
plants (autotroph)
must rely on consuming other things for food
breaks down "dead things" and recycles the nutrients
makes its food
needs to eat to obtain energy
simple arrangement of living things in order of energy transfer