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Name ________________________________ Classification Worksheet 1. The evolutionary history of an organism is known as ____________________________. 2. A family tree that shows the evolutionary relationships among groups of organisms is called a _________________________________________. 3. The domain ________________________ is equivalent to the Eubacteria kingdom. 4. Write the scientific name in the correct form for humans: ________________________________ 5. The branch of biology that names and classifies organisms is called _______________________. 6. Humans belong to the order _____________________ and the family _____________________. 7. The Kingdom __________________________ includes unicellular prokaryotes that live in harsh environments. 8. Modern taxonomists group organisms based on their _________________________. 9. _________________________ was the first person to classify organisms around 2000 years ago. 10. Euglena and amoebas are found in the _________________________ kingdom. 11. Linnaeus classified organisms based on their ___________________________. 12. The domain ________________________ is equivalent to the Archaebacteria kingdom. 13. The Kingdom _____________________________ includes organisms that are direct ancestors of the first living organisms. 1 14. Evidence used by taxonomists to classify organisms includes: 1. ______________________________________________________ 2. ______________________________________________________ 3. ______________________________________________________ 4. ______________________________________________________ 15. Both Aristotle and Linnaeus classified all living things into two main groups: _______________________ and ___________________________. 16. _______________________ is an organisms form and structure. 17. The ________________________ kingdom includes ferns and conifers. 18. The two naming system used by taxonomists today is called _____________________ _________________________. 19. The two main classification systems are: 1. __________________________________________ 2. __________________________________________ 20. Aristotle classified animals based on their _____________________________. 21. A diagram that shows evolutionary relationships based upon shared inherited features is called a __________________________. 22. _________________________ was the first to devise the seven level system of organization that is still used toady. 23. A scientific name is made up of two parts; the _______________________ is the first part and the ______________________ is the second part of the name. 24. The Kingdom ___________________________ includes unicellular organisms that use oxygen. 2 25. Mushrooms are classified into the _______________________ kingdom. 26. The domain _________________________ consists of protists, fungi, plants, and animals. 27. List the six kingdoms 1. _____________________________________ 2. _____________________________________ 3. _____________________________________ 4. _____________________________________ 5. _____________________________________ 6. _____________________________________ 28. List the three domains 1. _____________________________________ 2. _____________________________________ 3. _____________________________________ 29. List the seven levels of organization starting with the most broad level. 1. _______________________________ 2. _______________________________ 3. _______________________________ 4. _______________________________ 5. _______________________________ 6. _______________________________ 7. _______________________________ 3 30. List the organisms that have openings in their skull for muscles. ____________________________________________________________________ ____________________________________________________________________ 31. Which organism evolved first; turtle or monotremes? _______________________ 32. Crocodiles are most closely related to which organism(s)? ____________________________________________________________________ 4