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The Eight Life Processes

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Presentation on theme: "The Eight Life Processes"— Presentation transcript:

1 The Eight Life Processes

2 The Eight Life Processes
All organisms carry out the eight life processes. An Organism = Any Living Thing

3 Biotic Vs. Abiotic

4 Biotic vs. Abiotic Organisms that are dead were still living at one time. Dead does not equal abiotic!

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6 Ingestion (food getting)
All organisms produce or take in food. Organisms that make their own food are producers. Organisms that eat other organisms are known as consumers.

7 Ingestion Plants produce their own food Through the process known as 

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9 Respiration All organisms must obtain energy from the food they eat.
Respiration is the process by which organisms obtain energy from their food. Part of this process involves breathing, but this is only one small part. The oxygen we breathe in, for example, is used to obtain energy from the food that we eat.

10 Respiration The air we breathe combines with the food we eat to produce energy, carbon dioxide, and water. Cells

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12 Independent Movement All organisms must be able to move under their own power. This movement may be interior (inside the organism) or exterior (outside the organism). Trees swaying in the wind, for example, would not be moving under their own power. However, these organisms do have interior movement.

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14 Secretion Saliva Perspiration Mucous
All organisms produce useful fluids needed for body activities. These fluids are called secretions. Examples of useful body fluids include: Saliva Perspiration Mucous

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16 Excretion All organisms must rid their bodies of waste. This is the process of excretion.

17 Excretion Not all organisms have solid waste. Some organisms have waste only in the form of gases.

18 Excretion in Plants In plants, waste gases are removed from the plant through cells called Stomata. Gases are also absorbed through these cells.

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20 Response and Adaptation
All organisms respond to stimuli and adapt over long periods of time in order for their species to survive.

21 Response and Adaptation
Stimulus Responses are short term changes. Adaptations take place over long periods of time.

22 Response and Adaptation
A stimulus is something that causes a response. Cold=Stimulus Shivering=Response

23 Response and Adaptation
What other examples of stimuli and responses can you think of? List Five on your notes!

24 Response and Adaptation
Adaptations happen to organisms over long, long periods of time. Humans, for example, have gotten taller over the last few thousand years. This is an adaptation.

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26 Growth and Repair Planaria
All organisms grow and repair injuries to themselves. The more complex the organism, the less their ability is to repair injuries. Planaria

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28 Reproduction 1. Sexual Reproduction 2. Asexual Reproduction
All organisms reproduce in order to further the species. There are two types of reproduction. They are: 1. Sexual Reproduction 2. Asexual Reproduction Sexual Reproduction—Two Parents Asexual Reproduction—One Parent

29 Asexual Reproduction Budding
A new organism grows from the side of the parent until it is big enough to live on its own. Hydra

30 Asexual Reproduction In Single-Celled Organisms

31 Organisms that reproduce sexually require two parents.
Sexual Reproduction Organisms that reproduce sexually require two parents.

32 Sexual Reproduction Both plants and animals reproduce sexually.
Bees carry the male pollen from one plant to the pistil of another plant where the eggs of that plant are fertilized.

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