Characteristics Of Life
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Characteristics Of Life

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This is a presentation on the Characteristics of Life I put together for my 7th grade life science class.

This is a presentation on the Characteristics of Life I put together for my 7th grade life science class.

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Characteristics Of Life Characteristics Of Life Presentation Transcript

  • CHARACTERISTICS OF LIFE Defining what it means to be alive 7th grade science Mr. Ardito
  • Metabolism The total of all chemical reactions and life processes that allow an organism to take care of itself. Everything that happens in your cells is a set of chemical reactions.
  • Regulation: Responding to the environment Living things can monitor (perceive) and respond to changes in their internal and external environment. Sometimes they can adapt to these changes, sometimes they can’t.
  • Locomotion The movement of an organism towards food, water, shelter, mates.
  • Synthesis Organisms build big things from little things They make large molecules that they need from smaller building blocks.
  • Transport Movement of stuff within the organism Like blood through our arteries and veins
  • Respiration Burning food for fuel sugar + oxygen ---> carbon dioxide + water + energy
  • Nutrition Living things obtain energy from their environment. Photosynthesis is key: Sunlight carbon dioxide + water -----------> sugar + oxygen + water
  • Growth More cells and bigger cells Humans start as 1 cell and grown and develop into an organism of about 50 trillion cells.
  • Excretion Getting rid of waste 4 types of excretion urination (peeps) defecation (poops) exhaling sweating
  • Reproduction Living things come from other living things. Living things make copies of themselves. Asexual reproduction - only 1 parent Sexual reproduction - two parents
  • A Way to Remember M R L S T R N G E R
  • A Way to Remember Metabolism Regulation Locomotion Synthesis Transport Respiration Nutrition Growth Excretion Reproduction
  • How will you remember them? A song A poem A poster Flash cards ???