Classification

2. the number of kingdoms
3. the organisms in this kingdom have cell walls made of chitin
6. the number of levels in the current classification system
8. the organisms in this kingdom are heterotrophic eukaryotes that are all motile for at least part of their lives
12. the two-part name that was developed from the influence of Linnaeus
13. the organisms in this kingdom are multicellular autotrophs
15. domain that includes the kingdoms of plants, animals, fungi, and protists
16. an important scientific tool, used to identify different organisms, based the organism's observable traits
18. the organisms in this kingdom are mostly unicellular, but are also eukaryotes

1. the process of grouping things based on their similarities
4. the evolutionary history of a species
5. the second largest classification level after domain
7. this is the largest of the three domains with the most organisms
9. the level of classification that is the first part of the binomial nomenclature of an organism
10. scientist who devised a system to give every organism a unique two-part name
11. this chart helps to show evolutionary relations between organisms
14. the smallest level of classification that refers to a specific
17. domain that includes microbes that live in harsh environments such as high heat or high salt