Science Crossword Puzzle
This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The disappearance of all members of a species from Earth.
Any change in the DNA of an organism.
A process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others that are not.
Gaps in the fossil record that provide proof of evolution.
The formation of new species as a result of evolution.
The species of hominids that include modern humans.
Behavior or physical characteristics that allows an organism to survive and reproduce in its environment.
The change in species over time.
The preserved remains or traces of an organism that lived in the past.
Any difference between organisms of the same species.
