This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
characteristic that improves an individuals ability to survive and reproduce
the formation of new species as a result of a change in the gene flow
a characteristic determined by genes
change in the gene pool of a population over several generations by processes such as natural selection, mutation, small population size
process in which organisms better adapted to their environment survive and reproduce more successfully
a change in a gene resulting in a new trait
the loss or gain of genes because of immigration or emigration
when mates are chosen for specific reasons
a group of organisms that are closely related and can mate to produce offspring that can reproduce
another word for artificial selection
the remains of an organism that lived long ago
a historical sequence of life indicated by fossils
any differences in organisms are caused by gene differences