Natural Selection Crossword

This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 5 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

Scientist who observed organisms (living and fossilized) in many global locations, and developed the Evolutionary theory. Published "Origin of Species"
A trace of an ancient organism that has been preserved in rock.
A group of organisms that is able to reproduce with each other.
Any difference between individuals of the same species.
How well an organism can survive and reproduce in its environment
When humans breed organisms for specific traits
The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait.
Organisms produce more offspring than can survive in an environment
Organism that is made up of only one cell
A group of organisms of one species that interbreed and live in the same place at the same time.
the change in a species over time
Scientist who observed living organisms in global locations. Developed Evolutionary theory at the same time as Darwin by making large collections and detailed drawings of specimens.
To receive (a genetic character) by the transmission of hereditary factors
Organism that is made up of more than 1 cell
The production of offspring.
A trait that helps a population survive
The process of evolution that is controlled by nature.
A characteristic that an organism can pass on to its offspring through its genes.
a well-supported, testable explanation of phenomena that have occurred in the natural world
The process in which DNA changes result in new alleles.

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