Across
- 1. Phylum that includes animals with a notochord, like vertebrates.
- 4. Second highest taxonomic rank, grouping similar phyla.
- 7. Single-celled organisms that lack a nucleus.
- 14. Two-part naming system for species, consisting of genus and species names.
- 15. Study of the molecular basis of biological activity.
- 16. systems Method of organizing living things into levels based on similarities.
- 18. The highest taxonomic rank in biological classification.
- 19. Kingdom of multicellular, photosynthetic organisms, including trees and flowers.
- 21. Domain of single-celled organisms that are distinct from bacteria.
Down
- 2. Branch of biology that deals with the structure of organisms.
- 3. Scientist known for developing the system of binomial nomenclature.
- 5. Class of cold-blooded vertebrates that includes snakes, lizards, and turtles.
- 6. Study of how the bodies of living organisms function.
- 8. Domain that includes all organisms with complex cells.
- 9. Class of animals characterized by mammary glands and fur or hair.
- 10. Study of the form and structure of organisms.
- 11. Kingdom that includes yeasts, molds, and mushrooms, known for decomposing organic material.
- 12. Kingdom of mostly unicellular organisms, such as amoebas and algae.
- 13. Taxonomic rank below kingdom, grouping related classes.
- 17. Kingdom that includes all animals, characterized by being multicellular and heterotrophic.
- 20. Former kingdom that included all prokaryotic organisms.
