This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 7 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
Breeding organisms with specific traits in order to produce offspring with identical traits.
A trait that helps an organism survive and reproduce
Phenomenon in which individuals with adaptive genetic traits produce more living offspring than do individuals without such traits.
Ability of an organism to survive and reproduce in its environment
Form of relocation diffusion involving permanent move to a new location.
A change in the allele frequency of a population as a result of chance events rather than natural selection.
A physical feature of an organism's body having a specific function that contributes to the survival of the organism
Changes to an organisms metabolic or internal processes
Ability of an animal to look like another more harmful animal
A structural adaptation that enables an organism to blend in with its environment
Structures that do not have a common evolutionary origin but are similar in function
Remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.
Structures in different species that are similar because of common ancestry.
Process by which two species evolve in response to changes in each other
A form of evolution in which the same organism is placed into different environments with different selection pressures
Process by which unrelated organisms independently evolve similarities when adapting to similar environments
He wrote "On the Origin of Species by means of Natural Selection."
stated principle of inheritance of acquired characteristics: an organism could pass modifications to its offspring