This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The part of the earth including air land surface rocks and water within which life occurs
An animal that eats only other animals
The first species to populate an area
All the different populations that live together in an area
An organism that obtain energy by feeding on other organisms
Moving into a population
Series of events in which one organism eats another
The environment in which an organism lives
An animal that eats both plants and animals
An organism that lives on or in a host and cause harm
Leaving a population
An animal that the predator feed upon
Organism that use sunlight to make food
Anything that restricts the number of individuals
Both benefit