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Let ’ s Practice Tell if the object is living or nonliving .

Learn about the six characteristics of life and how to determine if an object is living or nonliving based on these characteristics. Understand the importance of cells, energy, response to stimuli, reproduction, growth and development, and adaptation in living organisms.

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Let ’ s Practice Tell if the object is living or nonliving .

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  1. Let’s Practice Tell if the object is living or nonliving. Nonliving Living Living Nonliving Living Living Living

  2. How do you know if an object is ALIVE? It has to have ALL SIX Characteristics of Life!!!!!!

  3. Let’s learn about the 6 characteristics of life.

  4. 1) ALL LIVING THINGS ARE MADE OF CELLS A CELL IS THE SMALLEST LIVING UNIT THAT CAN CARRY OUT LIFE PROCESSES

  5. Single celled (unicellular ) organisms makeup most organisms on Earth. They have everything they need to be self-sufficient.

  6. In multi-cellular organisms, the cells specialize to perform specific functions (bone cells, skin cells, muscle cells, root cells, leaf cells). Smooth muscle Nerve cell Leaf cell Red Blood Cell Yeast cell

  7. 2) ALL LIVING THINGS USE ENERGY The SUN is the main source of energy on Earth!!! All living things need energy to carry out all life processes.

  8. 3) ALL LIVING THINGS RESPOND TO A STIMULUS (plural-Stimuli) Living things respond to immediate and long-term changes in their environment (shiver when cold, change fur color, plants bend toward light).

  9. Responding to Stimuli a. dogs pant when hot b. pupils dilate in lower light levels c. humans sweat when body gets too hot d. reflexes – touch hot stove, fight/flight

  10. 4) ALL LIVING THINGS REPRODUCE • Reproduction must occur for a species to survive. Reproduction can be either sexual or asexual.

  11. 5) ALL LIVING THINGS GROW AND DEVELOP To grow means to get bigger and to get bigger; more cells must be added. To increase numbers of cells, cell division must occur. Develop means to change into an adult form (mature).

  12. 6) ALL LIVING THINGS CHANGE TO FIT THEIR ENVIRONMENT(ADAPT) Organisms must adapt to changes in their environment or or they could become extinct. Adaptations occur over time

  13. Can you name some the adaptations of these organisms.

  14. Review!!! What are the characteristics of life? Reproduction Cells Adaptation Grow and develop Responses Energy

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