This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
"father of evolution"
Name of the ship Charles Darwin sailed on in 1831
"evolutionary tree" that shows organisms and their common ancestors
Hierarchical classification of organisms based on evolutionary ancestry
Characteristics that serve similar functions but have evolved separately without a recent common ancestor
Similar characteristics of organisms that come from a common ancestry
A change over time from one species to another
A feature that is common in a population because it provides some improved function
A change over time within a species
A homologous structure that has lost its functionally
survival of the fittest
Group of organisms that share a common ancestor
The change in the characteristics of a species over several generations