This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 7 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the study of how organisms interact with one another and their physical environment
any one organism
a type of organism
a group of individuals that belong to the same species and live in the same area
all of the populations of different species in a given area
all of the biotic and abiotic factors in a given area
all of the ecosystems on earth together
interaction between two organisms where one individual eats the other individual
interaction between two organisms where individuals are fighting for resources
the movement of individuals into a new area
the movement of an individual out of its original area
a species that is not native to an area and can cause harm to the ecosystem it is introduced to