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What are living things?

What are living things?. Chapter 1. Characteristics of Living Things. All living things Move Not always noticeable Locomotion. Characteristics of Living Things. All living things Develop and grow Change in size and/or shape Life span – max. time

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What are living things?

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  1. What are living things? Chapter 1

  2. Characteristics of Living Things • All living things • Move • Not always noticeable • Locomotion

  3. Characteristics of Living Things • All living things • Develop and grow • Change in size and/or shape • Life span – max. time something is expected to live • Life expectancy – ave. time something lives

  4. Characteristics of Living Things • All living things • Respond to stimulus (the environment) • Change to the world outside them

  5. Characteristics of Living Things • All living things • Reproduce • Produce organisms that are similar to themselves • Sexual – 2 parents • Asexual – 1 parent

  6. Characteristics of Living Things • All living things • Perform certain chemical activities • Metabolism • Ingestion • Digestion • Respiration • Excretion

  7. Characteristics of Living Things • Needs of living things • Energy • Primary source is the sun • Energy is passed from sun to organism to organism

  8. Characteristics of Living Things • Food/ Water • Food supplies the materials and energy for life • Water dissolves nutrients for transport • Water allows for metabolic reactions • Water aids in ridding waste *You can go about a week without food but only a few days without water

  9. Characteristics of Living Things • Air • Most things get oxygen directly from air or air dissolved in water • Air supplies other essential materials for plants

  10. Characteristics of Living Things • Living space • Area must supply living thing with its needs If any of these requirements is missing , an organism will die.

  11. Characteristics of Living Things • Proper Temperature • Metabolism can only occur at certain temperatures • Homeostasis: the ability to keep conditions inside the body constant • Warm blooded animals maintain constant body temperature • Cold blooded animals have body temperature that change with the environment If any of these requirements is missing , an organism will die.

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