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BIOLOGY

BIOLOGY. The study of living things Bio = life Ology = study of. The 8 Characteristics of Life How Do you know something is alive???. Anything that possesses all the characteristics of life is known as an organism. 1. Made up of one or more cells 2. Display Organization

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BIOLOGY

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  1. BIOLOGY • The study of living things • Bio = life • Ology = study of

  2. The 8 Characteristics of Life How Do you know something is alive???

  3. Anything that possesses all the characteristics of life is known as an organism. 1. Made up of one or more cells 2. Display Organization 3. Grows and develops 4. Reproduces 5. Respond to stimuli 6. Requires energy 7. Maintain homeostasis 8. Adapts and evolves over time

  4. Characteristics of Life: • All living things are made of _______ Cells are the most basic units of life. a. ____________ - made of only one cell (bacteria) b. ___________ - composed of many cells (trees, humans) * This allows cells to become much more specialized cells Unicellular Multicellular

  5. 2. Living Things Display Organization Organization means organisms are arranged in an orderly way.

  6. 3. Growth and Development: a. Growth: the increase in mass occurs by cell division. b. Development: changes occur from larva stage to adulthood.

  7. 4) Living Things Reproduce: • asexual reproduction: cloning of self b. sexual reproduction: exchange of gametes (egg and sperm) Asexual Sexual

  8. 5. Living Things Respond to Stimuli: a.) Anything that is part of the internal or external environment and causes some sort of reaction by the organism is called a stimulus. b.) The reaction to the stimulus is called a response. Sun rises so the rooster crows Plant growing toward sunlight

  9. 6. Living Things Obtain & Use Energy: • Energy is required for growth, movement, and processing information. • Almost all energy used by living organisms is captured from sunlight. • Energy flows from sunlight to plants; from plants to plant-eating organisms; from plant-eaters to meat-eaters.

  10. 7. Living Things Maintain Homeostasis: All organisms must maintain a stable internal environment in order to function properly. Homeostasis is the process by which organisms respond to stimuli and keep their internal conditions constant.

  11. 8. Living Things Adapt and Evolve Slowly Over Time: Adaptation: Through slow change over generations, organisms become better suited for their environment. Change in the inherited traits of a species over time is called evolution.

  12. FRED CHEG! • F ood • R eproduce • E volve • D evelop • C ells • H omeostasis • E nvironment • G enetic code

  13. Can you name the 8 Characteristics ofLiving Things? 5. Respond to stimuli 6. Require energy 7. Maintain homeostasis 8. Adapt and evolve over time 1. Made up of one or more cells 2. Display Organization 3. Grow and develop 4. Reproduce

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