Geologic Time Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Changes in inherited characteristics of a species over time.
Describes evolution as a slow, ongoing process.
An inherited trait that makes an individual different from other members of its species.
A variation that makes an organism better suited to its environment.
___ dating looks at fossil location in a particular layer of rock.
___ dating compares the amount of radioactive element with the amount of non-radioactive element in a rock.
Structures that don't seem to have a function but might have once functioned in an ancestor.
___ evidence, such as the development of an antibiotic resistance in bacteria, supports evolution.
___ body parts can indicate two or more species share common ancestors.
___ can provide evidence about how closely related organisms are.
