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What is it?

What is it? You and a friend are walking in the woods and you stumble upon this object. You tell your friend this is a living wild mushroom. Your friend argues and says it is not living. What would you tell your friend to make them think this object is a living organism?. Name: Date: Block:.

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What is it?

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  1. What is it? You and a friend are walking in the woods and you stumble upon this object. You tell your friend this is a living wild mushroom. Your friend argues and says it is not living. What would you tell your friend to make them think this object is a living organism?

  2. Name: Date: Block: LEQ: What are the characteristics of life?

  3. 1.) made up of one or more cells • Smallest unit of life • Smallest thing that can carry on the functions of life • Organism may be one or many cells

  4. Cells contain hereditary material • Cells are varied

  5. http://youtu.be/YOnIxcc0DW8

  6. 2.) the ability to reproduce • Without reproduction, living things would not exist to replace those individuals that die • Survival of the species • Some bacteria can reproduce every 20 minutes, a pine tree takes two years to produce seeds

  7. http://youtu.be/NRCPmKhJ8ro

  8. 3.) obtain and use energy • Homeostasis requires energy • Energy comes directly or indirectly from the sun – begins a food chain • Chemosynthesis: used by certain bacteria, the formation of organic material using energy derived from simple chemical reactions

  9. http://youtu.be/XotF9fzo4Vo

  10. 4. Grow and develop • Growth occurs through taking in raw materials and making more cells • Usually this is through an increase in the number of cells • Some cells stop dividing: nervous and muscle tissue • Development is the change an organism goes through during its lifespan

  11. A lifespan is the maximum number of years an individual from a given species can live: --mayflies live one day --a tortoise for 180+ years --bristlecone pine tree 4,600 years --a human 122 years. • http://youtu.be/R3Mt2E1M6dU

  12. Ticket Out the Door! • List 3 organ systems • 2 types organs • 1 type of cell

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