Across
- 7. structures body parts of different organisms that have a similar structure but not necessarily a similar function.
- 9. structure body part that does not seem to play a role in the body functions of an organism.
- 10. (of a species, family, or other group of animals or plants) having no living members; no longer in existence.
- 13. The highest classification of living things
- 16. the process by which organisms that are best suited to a particular environment survive and reproduce.
- 17. structures body parts that have a similar function but not a similar structure.
- 18. The seventh level following family in the classification of living things. Genus (plural: genera) is a way to describe the generic name for an organism.
Down
- 1. science of classifying organisms.
- 2. The third level following kingdom in the classification of living things
- 3. The sixth level following order in the classification of living things. Organisms within a family have more in common than with organisms in any higher level.
- 4. traits that help organisms survive in each environment.
- 5. the systematic grouping of organisms based on shared characteristics.
- 6. differences that exist naturally among members of a population or species.
- 8. The strictest and final of the eight classifications of living things. The main criterion for an organism to be placed in a particular species is the ability to breed with other organisms of that same species.
- 11. the process by which species change over time.
- 12. The second taxonomic classification of living things based on how they acquire their food, the types of cells that make up the organisms, and the number of cells they contain.
- 14. The fifth level following class in the classification of living things. Each order shares a specific characteristic.
- 15. The fourth level following phylum in the classification of living things. Classes are taxons (groupings) of similar orders.