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Characteristics of Life

Explore the fundamental properties that all living things share, including cells, organization, energy use, homeostasis, growth and development, and reproduction. From the basic building blocks of cells to the complex processes of growth and reproduction, learn about the characteristics that define life.

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Characteristics of Life

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  1. Characteristics of Life

  2. All living things share some basic properties • Cells • Organization • Energy Use • Homeostasis • Growth and Development • Reproduction

  3. Cells • Basic unit of life • Carry out the functions of life • All organisms have 1 or more cells. Human skin Plant leaf Bacteria

  4. Cells • Unicellular organisms • Made of 1 cell • Each cell has everything necessary for life • Include bacteria and protists

  5. Cells • Multicellular Organisms • Made up of many cells • Cells have specialized functions within the organism

  6. Organization • Living things are much more complex than anything non-living. • More complex molecules, structures organized into groups. Non-living Living

  7. Energy Use • Living things need energy to grow, develop, repair damage, and reproduce • Known as metabolism

  8. Homeostasis • Maintain stable internal conditions. • Response to the environment. • Includes body temperature, blood volume, pH balance, and water balance BoardWorks Homeostasis

  9. Growth and Development • Growth • Cells divide to make more cells and the organism gets bigger

  10. Growth and Development • Development • Cells take on specific roles (differentiation). • Physiological change or change in form may occur.

  11. Reproduction • Pass genetic information along to produce more members of a species.

  12. Reproduction • Asexual reproduction • A single organism reproduces by itself

  13. Reproduction • Sexual Reproduction • 2 different parent organisms contribute genetic information to an offspring

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