This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
naturally preserved remains imprints or traces of past tife
natural breaking down of dead organisms by fungi bacteria insects and worms
scientist who study fossils
a process of fossilization in which mineral deposits form internal casts of organisms. Carried by water, these minerals fill the spaces within organic tissue
thin coating of carbon on rock
hard parts are first dissolved and then replaced by minerals
water carrying dissolved minerals, seeps into the empty mold
hallow area shape of the organism
preserved remains with no change
provide evidence of activities of the organism