This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
when individuals that are better adapted to their environment are more likely to survive and reproduce
traces or remains of dinosaurs are called
the Tasmanian Tiger is a species that is
a type of fossil that forms when a mold becomes filled with minerals that then harden
there are many different kinds of sharks, which mean they have a wide
the time it takes for half of the atoms in a radioactive element to decay
a diagram that shows how scientists think different groups of organisms are related
the set of information that controls a trait
the theory that evolution occurs slowly but steadily
the gradual change in species over time
an unstable element that breaks down into different element
A wolf's teeth is a trait that helps it survive and reproduce, known as an
the theory that species evolve during short periods of rapid change
a technique used to determine the actual age of a fossil on the basis of the amount of a radioactive element it contains
when you want a poodles' eyes, but a sheppards' hair, you breed them in this way