This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 4 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A group of organisms with similar characteristics
The environment where species occurs
a group of population occurring in a particular area
Communities interacting with each other
External factors
Birth rate
Death rate
Move into an area
Movement out of area
Population .... total number of individuals
Population ... number of individuals of a population per unit area
Density ... factors in density increase
Density ... factors is limit the size of population