Across
- 5. Remains or traces of organisms from past.
- 6. Study of fossils.
- 7. Similar structures, function in similar environments.
- 10. Structures w/little or no use (eg. flightless bird wings, appendix, whale thighs)
Down
- 1. Similar early development (eg. vertebrate embryos with tail & pharyngeal pouches).
- 2. similar anatomy from common ancestors (eg. forelimbs of human/cat/whale/bat).
- 3. a body part that once was useful but now is not
- 4. Similar DNA and amino acid sequences.
- 8. Characteristics in related species can have underlying similarity even though functions may differ
- 9. methicillin-resistant Staphylococcus aureus