The Characteristics of    Living Things
Characteristics of Living Things There are actually 8 characteristics that will  tell you if something is alive. We call...
Characteristics of Living Things1. Living things grow and develop. Every organism develops at a different rate. During d...
An icicle can grow, but  why isn’t it alive?
Characteristics of Living Things2. Living things are based on a universal genetic code. All organisms store information t...
Characteristics of Living Things3. Living things respond to their environment. Organisms detect and respond to signals fr...
Characteristics of Living Things4. Living things are made up of cells. Organisms are composed of one or more cells. Cell...
Characteristics of Living Things5. Living things reproduce. All organisms reproduce, which means that they  produce new s...
Characteristics of Living Things6. Living things maintain a stable internal  environment. All organisms need to keep thei...
Characteristics of Living Things7. Living things obtain and use material and  energy. All organisms must take in material...
Characteristics of Living Things8. Taken as a group, living things evolve. Over generations, groups of organisms evolve, ...
You can take any livingorganism and apply alleight characteristics…
Example: Pigmy Seahorse         1. Living things grow and             develop:         Most seahorses reach the age of    ...
Example: Pigmy Seahorse2. Living things are based on    a universal genetic code    (DNA):   The Pigmy seahorse has 48    ...
Example: Pigmy Seahorse         3. Living things respond to             their environment:         Seahorses can adapt to ...
Example: Pigmy Seahorse4. Living things are made up of cells:  Seahorses have fewer cells that other ocean-dwelling       ...
Example: Pigmy Seahorse5. Living things reproduce:Mature seahorses can reproduce 10-12 times each year.Female seahorses wi...
Example: Pigmy Seahorse         6. Living things maintain a             stable internal             environment:          ...
Example: Pigmy Seahorse         7. Living things obtain and             use material and energy           Seahorses eat th...
Example: Pigmy Seahorse8. Taken as a group,   living things evolve.  Over time schools of  seahorses have slowlychanged si...
Characteristics of Living Things Let’s Summarize: Living things…   •Grow and Develop    •Reproduce   •Are based on a    ...
Reference: http://www.fao.org/docrep/field/003/AB736E/ AB736E01.htm
The characteristicsoflivingthings[1]
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  • Answer: icicles grow, but cannot reproduce or eat
  • The characteristicsoflivingthings[1]

    1. 1. The Characteristics of Living Things
    2. 2. Characteristics of Living Things There are actually 8 characteristics that will tell you if something is alive. We call them “Characteristics of Living Things” Let’s examine each of them…
    3. 3. Characteristics of Living Things1. Living things grow and develop. Every organism develops at a different rate. During development, a single cell divides again and again. After these cells divide they begin to look different from one another and perform different functions. Butterflies develop different parts ofduring their As a seed grows, from caterpillars the plant life cycle. develops.
    4. 4. An icicle can grow, but why isn’t it alive?
    5. 5. Characteristics of Living Things2. Living things are based on a universal genetic code. All organisms store information they need to live, grow, and reproduce in a genetic code written in a molecule called DNA.
    6. 6. Characteristics of Living Things3. Living things respond to their environment. Organisms detect and respond to signals from their environment For example, plants respond to light by growing Mammals respond to cold temperature by growing thicker fur.
    7. 7. Characteristics of Living Things4. Living things are made up of cells. Organisms are composed of one or more cells. Cells are the smallest living things. Cells are complex and very organized. Blood cells Human cheek cells Plant leaf cells
    8. 8. Characteristics of Living Things5. Living things reproduce. All organisms reproduce, which means that they produce new similar organisms. Some organisms have two parents (sexual reproduction) and others have just one (asexual reproduction) Birds have two parents, so these chicks were produced This fern has produced spores by dividing its own leaf cells. A fern This flowerthrough sexual reproduction so it is has male and female sex cells, uses asexual reproduction using sexual reproduction
    9. 9. Characteristics of Living Things6. Living things maintain a stable internal environment. All organisms need to keep their internal environment relatively stable, even when external conditions change dramatically. This is called HOMEOSTASIS Thermal images show that even though the temperature outside the body is cool, inside there is warm and stable environment.
    10. 10. Characteristics of Living Things7. Living things obtain and use material and energy. All organisms must take in materials and energy to grow, develop, and reproduce. Chemical reactions breaks down materials in what is called METABOLISM.
    11. 11. Characteristics of Living Things8. Taken as a group, living things evolve. Over generations, groups of organisms evolve, or This diagram change over time. shows how our understanding Evidence of this includes changes in structures of proteins and DNA sequences. of human evolution has changed over time. Our understanding of evolution changes all the time! We DO NOT know everything!
    12. 12. You can take any livingorganism and apply alleight characteristics…
    13. 13. Example: Pigmy Seahorse 1. Living things grow and develop: Most seahorses reach the age of reproduction at about 100 days old.
    14. 14. Example: Pigmy Seahorse2. Living things are based on a universal genetic code (DNA): The Pigmy seahorse has 48 chromosomes
    15. 15. Example: Pigmy Seahorse 3. Living things respond to their environment: Seahorses can adapt to a variety of water temperatures. They can only reproduce when the water is 20-28 degrees C. When light intensity is too bright or too dim birth defects can occur in the babies.
    16. 16. Example: Pigmy Seahorse4. Living things are made up of cells: Seahorses have fewer cells that other ocean-dwelling animals.All of the cells of the species Hippocampus trimacutus is can fit inside it’s 3 cm length body.
    17. 17. Example: Pigmy Seahorse5. Living things reproduce:Mature seahorses can reproduce 10-12 times each year.Female seahorses will release several hundred eggs at a time.
    18. 18. Example: Pigmy Seahorse 6. Living things maintain a stable internal environment: Seahorses are cold blooded, so their internal environment depends on the temperature of the water they are in. They survive best in water that is 28 ˚C on average.
    19. 19. Example: Pigmy Seahorse 7. Living things obtain and use material and energy Seahorses eat the larvae of small crustaceans. This food provides the energy for seahorses to live.
    20. 20. Example: Pigmy Seahorse8. Taken as a group, living things evolve. Over time schools of seahorses have slowlychanged sizes in order to adapt to their environment.
    21. 21. Characteristics of Living Things Let’s Summarize: Living things… •Grow and Develop •Reproduce •Are based on a •Maintain a stable universal genetic internal environment code •Obtain and use •Respond to their material and energy environment •Evolve as a group •Are made of cells
    22. 22. Reference: http://www.fao.org/docrep/field/003/AB736E/ AB736E01.htm

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