7th Grade Unit #1 Vocabulary Review Crossword

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Across
  1. 5. an organism that is able to capture energy from sunlight or chemicals and use it to produce its own food
  2. 6. an action or change in behavior that occurs as a result of a stimulus
  3. 7. a characteristic or trait, such as fur, that the common ancestor of a group had and passed on to its descendants
  4. 10. an organism that cannot make its own food and gets food by consuming other living things
  5. 12. a reproductive process that involves two parents that combine their genetic material to produce a new organism which differs from both parents
  6. 13. a Domain whose name comes from the Greek word for "Ancient"
  7. 16. a classification grouping that consists of a number of similar, closely related species
  8. 17. a Kingdom within Domain Eukarya composed of organisms which may be either multicellular or unicellular, either autotrophs or heterotrophs
  9. 18. the classification system in which each organism is given a unique, two-part scientific name indicating its genus and species
  10. 20. any change or signal in the environment that can make an organism react in some way
  11. 21. the combination of chemical reactions through which an organism builds up or breaks down materials
  12. 24. the process by which unrelated organism evolve similar characteristics
  13. 25. a Kingdom within Domain Eukarya composed entirely of multicellular heterotrophs whose cells do NOT have cell walls
  14. 27. the process of grouping things based on their similarities
  15. 28. an experiment in which only one variable is manipulated at a time
  16. 29. the scientific study of how living things are classified
  17. 30. a Domain composed of unicellular prokaryotes, that can be autotrophs or heterotrophs but do NOT live in extreme environments at the bottom of the ocean
Down
  1. 1. the condition in which an organism's internal environment is kept stable in spite of changes in the external environment
  2. 2. a unicellular organism that lacks a nucleus and some other cell structures
  3. 3. consisting of many cells
  4. 4. a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
  5. 8. the mistaken idea that living things arise from nonliving sources
  6. 9. a Kingdom within Domain Eukarya composed entirely of multicellular autotrophs
  7. 11. the process of change that occurs during an organism's life to produce a more complex organism
  8. 14. the basic unit of structure and function in living things
  9. 15. an organism whose cells contain a nucleus
  10. 19. a reproductive process that involves only one parent and produces offspring that are genetically identical to the parent
  11. 22. a living thing
  12. 23. made of a single cell
  13. 26. a Kingdom within Domain Eukarya composed of heterotrophs, whose cells have cell walls