This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 7 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Change in species over time
Organisms that have inherited beneficial adaptations from producing more offspring
Process by which humans modify a species by breeding for certain traits
Inherited trait that's selected for over time because it allows organisms to better survive
Measure of an organisms ability to survive and produce offspring relative to others in the population
Change in a species DNA to cause unusual characteristics
Seasonal movement of animals from one region to another
Change in allele frequencies due to chance alone, mostly in small populations
Physical features of an organism that are changed to survive better
Evolution toward similar characteristics in unrelated species
Evolution of one or more closely related species into different species
Body part that is similar in function as a body part from another organism but different structure
Adaptation in order to help maintain homeostasis