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Understanding Living Things: Classification, Needs, and Characteristics

Dive into the fascinating world of living organisms! This chapter explores the fundamental concepts of what constitutes life, including the definition of living things, their key characteristics, and the various needs that sustain them. Discover the processes of growth and development, the principles of classification, and the significance of taxonomy in organizing life forms. Learn about the essential requirements for survival and the distinction between autotrophs and heterotrophs. With insights into naming systems and domains, this review offers a comprehensive overview of biological organization.

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Understanding Living Things: Classification, Needs, and Characteristics

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Presentation Transcript

  1. Chapter 2-1, 2-2 Living Things & Classificaion

  2. Another Igneous Scientificus (a.k.a. Iggy) Review

  3. What is Life? What’s in a Name? Living Things Needs of Living Things Let’s Get Organized

  4. What is Life? • Any living thing organism

  5. What is Life? • A change in an organism’s surroundings stimulus

  6. What is Life? • An organism’s reaction to a change in its environment response

  7. What is Life? • The process in which an organism becomes larger growth

  8. What is Life? • Change that occurs during an organism’s life that makes it more complex development

  9. What is Life? • Name four characteristics of living things Made of cells Have similar chemicals Use energy Respond to surroundings Grow and develop Reproduce

  10. Living Things • Name given to a single-celled organism unicellular

  11. Living Things • Name given to organisms made of many cells multicellular

  12. Living Things • Mistaken idea that living things can come from nonliving sources Spontaneous generation

  13. Living Things • Process by which living things arise from living things reproduction

  14. Living Things • Basic unit of structure and function in an organism cell

  15. Let’s Get Organized • Process of grouping things based on similarities classification

  16. Let’s Get Organized • The reason scientists organize living things into group So that organisms are easier to study

  17. Let’s Get Organized • He developed the naming system that groups organisms Carolus Linnaeus

  18. Let’s Get Organized • The study of how living things are classified taxonomy

  19. Let’s Get Organized • The highest or broadest level of classification domain

  20. Let’s Get Organized • Lowest level of organization in which similar organisms can mate to produce offspring species

  21. Let’s Get Organized • The domain (s) that include(s) only prokaryotes Bacteria and Archaea

  22. Let’s Get Organized • The domain (s) that include(s) only eukaryotes Eukarya

  23. Let’s Get Organized • The kingdoms that include both uni- and multicellular organisms? Protists and Fungi

  24. Needs of Living Things • All living things need this substance to survive water

  25. Needs of Living Things • Name for an organism that makes its own food autotroph

  26. Needs of Living Things • Name of an organism that can’t make its own food heterotroph

  27. Needs of Living Things • Source of energy for all living things food

  28. Needs of Living Things • Name the four needs of all living things Water, food, living space, and stable internal conditions

  29. Needs of Living Things • Organism’s ability to maintain stable internal environment homeostasis

  30. What’s in a Name? • Organism whose cells lack a nucleus prokaryote

  31. What’s in a Name? • Organism whose cells have a nucleus eukaryote

  32. What’s in a Name? • The two word naming system for organisms binomial nomenclature

  33. What’s in a Name? • The first word in the naming system refers to this classification level Genus

  34. What’s in a Name? • The second word in the naming system refers to this classification level Species

  35. What’s in a Name? • The three domains of living things Bacteria, archaea, eukarya

  36. What’s in a Name? • Domain that we belong to eukarya

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