Across
- 4. a branching diagram showing the cladistic relationship between several species
- 5. order- the arrangement of things in the order that they occurred
- 8. a person who studies fossils
Down
- 1. the state of being diverse; variety
- 2. the formation of fossils as stone replaces decaying tissues
- 3. the mineralized remains of organisms, showing how long dead organisms lived and how their bodies were instructed
- 5. ancestry- when organisms are descended from a single ancestor
- 6. the study of the structures of organisms and their parts
- 7. - to change the frequencies of alleles in a populatpaleontologyme
- 9. the permanent disappearance of a species from the earth