This printable crossword puzzle has 21 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
characteristics of a living thing
determinethe traits you inherit
when traits are passed down from parent(s) to offspring through genes
the trait that shows up
the trait that does not show up
stated laws of heredity after studying garden peas
shows the way two parents cells combine
a species that has died out completely
remains or traces of life long ago
a trait that helps an orginism survive and reproduce
a change in a gene or a chromosome
a complex, unlearned behavior that is rigidly patterned throughout a spiecies
the ability to continue living
a type of fossil that forms when a mold becomes filled in with minerals that then harden
a type of fossil formed when a shell or other hard part of an orginism dissolves, leaving an empty space in the shape of the part
a trait influenced by experience or the enviornment
chronological collection of lifes remains in sedimentary rock layers
place where an orginism lives
an orginism's particular role in an ecosystem, or how it makes its living
a fossil of a footprint, trail, burrow, or any other trace of an animal rather than the animal its self
a fossil in which minerals replace all or part of an orginism