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The Characteristics of Living Things

Discover the special traits shared by living organisms, from cell structures to energy use, growth, and reproduction. Learn how living things interact with their environment and adapt to changes. Find out about life spans and the essential functions that define living organisms.

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The Characteristics of Living Things

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  1. The Characteristics of Living Things Mod. B U.1. L.1 There are special characteristics that all living organisms share:

  2. Question! • Write down 4 living and 4 non-living things you interact with everyday. • Then View Untd. Streaming Video on Living Things

  3. All living things are … • Made up of cells

  4. What is a cell? • A cell is the smallest unit of organisms that carry on the functions of life • Parts : nucleus, cell membrane , organelles, cytoplasm • Unicellular – one cell • Multicellular – many cells • Specialization- to have special functions

  5. Cells ….

  6. 2. Made up of Chemicals • DNA – Deoxyribonucleic acid Carries the genetic code and instructions for all functions • Proteins, Carbohydrates, Fats & Oils, Water, Oxygen, Carbon dioxide, • Water ~ 70% of the body mass

  7. 3. Living things Reproduce • Make new organisms, offspring, like themselves • 2 types of reproduction: • Asexual – A single parent • Sexual – Two parents

  8. 4. Living things grow and develop • Growth - • Unicellular organisms – cell gets larger • Multicellular organisms – number of cells increase • Development – Organism grows and passes through different stages of maturity

  9. 5. Living things use energy • Metabolism - the sum of all processes in an organism – for life to go on. • Living things take in or make their own food/source of energy

  10. Stimulus Response Adjust to changes Homeostasis Adapt to changes Adaptation, Evolution? 6. Living things sense and respond to changes in their environment.

  11. 7. Living things can move • Some organisms move more than others • Plant movement may not be visible to th naked eye, but can turn leave towards sunlight, open a flower, etc • Animals can move rapidly

  12. 8. Living things have life-spans • Organisms stop living or divide into new organisms (daughters). - Is why reproduction and adaptation are so important!

  13. Some Life Spans TYPEMAX LIFE SPAN Sea anemone 70 yrs Elephant 77 yrs Blue whale 80 yrs Tortoise 100-150 yrs Human 120 yrs Giant sequoia 4000 yrs Creosote bush 11,700 yrs TYPEMAX LIFE SPAN Adult mayfly1-3 days Marigold1 yr Mouse3 yrs Guppy5 yrs Coyote15 yrs Giant spider20 yrs Toad36 yrs Lobster50 yrs Crocodile 60 yrs

  14. A Study Aid • Following directions; • Create a Foldable for The Characteristics of Living Things

  15. HMWK #1 • Submit completed foldable

  16. Homework #2 Compare and Contrast a Dog and a Car, OR A Human and a Computer (Tell how they are similar and how they are different in terms of the 8 characteristics of living things. Organize your thoughts in a table

  17. Compare & Contrast Table Compare (Similarities) Each similarity must be true for both sides DOGCAR Contrast (Differences) Each difference must match on both sides

  18. Homework #3 Complete all L.1 Text Questions up to page …

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