CHAPTER 7 Functions Functions Reading: Epp Chp 7.1, 7.2, 7.4.
7 Functions of Life “RRRGMEN”
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Transcript of 7 Functions of Life “RRRGMEN”
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7 Functions of Life“RRRGMEN”
Chapter 8 Section 1Pages 214 - 217
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1. Respiration- oxygen + food carbon dioxide + ENERGYThis occurs in cells!It is NOT the same
thing as breathing, it is a way to make ENERGY
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2. Reproduction- to make more (copies)of a species2 Different Types
Sexual- involves 2 parents
Asexual- involves 1 parent
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3. Response to Stimuli- a reaction to an actionStimulus- something
that causes a reaction or a responseEx: You shiver
when you are cold
Aka.. SENSITIVITY
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4. Growth- to develop emotionally & physically over timeCells multiply
Cells get larger (1x celled organisms)
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5. Movement- internal or external motionEx: running, heart
beating, blood flowing, flowers bending toward sun, trees move water from ground to leaves
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6. Excretion- to get rid of waste Ex: animals go to the
“bathroom”, trees release oxygen from leaves
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7. Nutrition- to get basic needs met (food, water, nutrients)
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Other Important Info about Living Things
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Organism- any living thing
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Homeostasis- regulation of an organism’s internal conditions, despite change in the environment Ex: keeping right
amount of food, sugar & water in cells
Ex: keeping body temp around 98.6 degrees F
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~~Most energy used by organisms comes directly or indirectly from the
SUN~~