This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 3 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
any preserved evidence of life from a past geological age, such as the impressions and remains of organisms
an inherited trait which helps an organism survive and reproduce that is maintained and evolved by natural selection
naturally occurring differences within a species
when humans select plants and animals for breeding based upon desired traits
a form of an inherited characteristic
learned trait, not passed on to offspring
naturalist who developed the Theory of Evolution
islands that Darwin traveled to
Darwin studied the differences between the ______ of finches
name of Darwin's ship
A _______ is all of the individuals of a species living in a an area at the same time
the process by which populations change over time
a change in genetic material
when an organism makes more offspring than the environment can handle
when all members of a species have died
evidence that organisms have changed over time can be found in _______, ice or sedimentary rock
most recent species from which two different species have evolved
the wing of a bat is similar in structure to the _____ of a human
genetic information is stored in an organism's _____
a scientist who studies fossils