This printable crossword puzzle on the topic of Ecology & Evolution has 23 clues. Answers range from 6 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A german scientist who proposed the theory of continental drift in the 1900's.
Similar function but different structure - does not show common ancestry.
An inherited behavior that helps an organism survive.
The variety of life in the world or in a particular habitat or ecosystem.
The process whereby earth's life changes over time through changes in the genes of populations.
A measure of the ability to survive and reproduce relative to other members of the population.
English natural scientist who formulated a theory of evolution by natural selection.
The comparison of body structures and how they vary among species.
The hypothesis that the continents slowly move across earth's surface.
A plate boundary where two plates move toward each other.
A plate boundary where two plates move away from each other.
The branch of biology and medicine concerned with the study of embryos and their development.
How earth's surface has changed over time.
Proposed the theory of seafloor spreading.
Structures in different species that are similar because of common ancestry.
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents.
The theory that pieces of earth's lithosphere are in constant motion, driven by convection currents in the mantle.
The process that creates new seafloor as plates move away from each other at the mid ocean ridges.
The physical features of an organism that help it survive, like the bill on a bird or the fur on a bear.
The scientific study of how living things are classified.
A plate boundary where two plates move past each other in opposite directions.
Remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.