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Chapter 1- Living Things---Lesson 2: Classifying Life Science Vocabulary (Test Friday, August 26, 2016) 1. 2. 3. 4. 5. 6. Classification- the science of organizing categories for living things. Invertebrate – an animal that does not have a backbone. Kingdom- the broadest group into which an organism is classified Vascular – Containing the plant tissue through which water and food move. Vertebrate – an animal that has a backbone. Nonvascular – containing no plant tissue through which water and food move. 7. Species- a group of similar organisms in a genus that can reproduce more of their own kind. Notes 1. Scientists organize organisms by sorting, or classifying them into groups according to shared characteristics. 2. All organisms are divided into six major groups called kingdoms. 3. The broadest group an organism is classified into is a kingdom. The narrowest classification group is species. 4. Scientists use six subgroups to classify within kingdoms. a. phylum b. class c. order d. family e. genus f. species 5. All plants and animals are multi-cellular. Plants and animals are the only kingdoms that include only multi-cellular organisms. 6. Two other kingdoms- fungi and protists- have both unicellular and multicellular species. 7. Animals do not make their own food. Plants can make their own food but animals must consume other organisms to get energy. 8. Plant cells have cell walls and animal cells do not have cell walls. 9. Invertebrate phyla include a. mollusks----Clams, snails b. echinoderms-----sea stars, sea cucumber, sea urchin c. arthropods----insects, spiders, crabs, and lobsters 9. All vertebrates have a backbone, a nervous system, and a brain. 10. 5 classes of vertebrates a. amphibians b. reptiles’ c. birds d. mammals e. fish 11. Organisms from the plant and fungi kingdom always have cell walls. 12. Plants are divided into two major groups: vascular plants and nonvascular plants 13. Fungi include organism such as mushrooms, yeast, and molds. Most fungi are multicellular. Yeast is a unicellular fungi. 14. Fungi must get food from other organisms. Most fungi get energy by breaking down dead or decaying plants and animals. 15. Many fungi are used by humans. Yeast is used to make bread rise. Mold and yeast are also used to make some foods, such as cheese. Some fungi are also use to make medicine. 16. Bacteria cells do not contain a nucleus or other organelles. 17. Viruses are very small. They cannot be classified into any of the six kingdoms because they do not carry out all of the life processes.