Across
- 4. similar anatomy from common ancestors (eg. forelimbs of human/cat/whale/bat)
- 5. study of fossils
- 8. similar structures, function in similar environments
- 9. similar early development (eg. vertebrate embryos with tail & pharyngeal pouches)
- 10. found at a certain geographic location and nowhere else
Down
- 1. structures w/little or no use (eg. flightless bird wings, appendix, whale thighs)
- 2. a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus
- 3. characteristics in related species can have underlying similarity even though functions may differ
- 6. similar DNA and amino acid sequences
- 7. A fossil that shows an intermediate state between an ancestral trait and that of its later descendants