Across
- 1. key a system of identifying species that is made of up a series of paired descriptions to choose between
- 4. domain/kingdom of single-celled prokaryotes that live in unusual environments
- 6. system organ system involved in removal of waste products from the body
- 7. single-celled organisms with no membraned nucleus or organelles
- 9. the basic unit of structure and function in living things
- 10. a phylum of organisms with segmented body coverings and joined legs, for example, insects.
- 13. a plant that has specialized tissues to move food and water throughout the plant
- 17. a structure made of two or more tissues that performs a specific function
- 18. system organ system involved in creating a new organism
- 20. organ system that takes oxygen into the body and expels carbon dioxide
- 22. a structure made of a group of cells that work together to do a specific job
- 23. kingdom consisting of simple organisms such as amoebas and algae
- 24. Involuntary actions that keep conditions inside the body such as temperature at a constant
- 26. systes system of organs that controls the body through chemical messengers called hormones
- 28. system organ system that transports substances through the body
- 30. Greek philosopher who was the first to classify living things scientifically
- 31. classification level below Domain
- 32. system system of organs and tissues that controls and coordinates the body's activities
Down
- 2. system organ system that provides support for the body through an internal framework
- 3. kingdom of single-celled organisms w/o a nucleus
- 5. system organ system that enables movement of the body and circulation
- 8. most-specific organism classification; group of organisms that can mate and produce offspring
- 11. Linnaeus Swedish biologist who created the current system of classifying organisms into groups by similarities
- 12. organisms that take food from the environment and reproduce by budding or spores
- 14. tree branching diagram showing evolutionary relationships among groups of organisms
- 15. Organ system that breaks down food into substances that the body can use, and helps with the absorption of these substances
- 16. system a group of organs that work together to do a specific job
- 19. system organ system that works to protect the body from disease
- 21. cell with a membrane-bound nucleus and organelles, or an organism made up of such cells
- 25. division of organism classification just above species
- 27. a living thing made of cells
- 29. largest grouping in the classification of organisms, above kingdom; Archaea, Bacteria, and Eukarya.