living things mr. skirbst life science topic 03. living things * all living things (on earth) share...
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Living Things
Mr. SkirbstLife Science
Topic 03
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Living Things
* All living things (on Earth) share similar characteristics
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6 Characteristics of Living Things1. Made of cells
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6 Characteristics of Living Things1. Made of cells2. Ability to move
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6 Characteristics of Living Things1. Made of cells2. Ability to move3. Perform complex chemical
activities (ingestion, digestion, respiration, excretion)
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6 Characteristics of Living Things1. Made of cells2. Ability to move3. Complex chemical activities4. Grow and develop
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6 Characteristics of Living Things1. Made of cells2. Ability to move3. Complex chemical activities4. Grow and develop5. Respond to stimulus
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6 Characteristics of Living Things1. Made of cells2. Ability to move3. Complex chemical activities4. Grow and develop5. Respond to stimulus6. Reproduce
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Origins of Life
Spontaneous Generation Theory - stated that living things came
from non-living matter, all by itself
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Origins of LifeFrancesco Redi (Italy, 1668)
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Origins of LifeFrancesco Redi (Italy, 1668) - disproved theory with his
famous experiment (meat & flies)
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Origins of LifeFrancesco Redi- He showed that “living
things do NOT come from non-living matter.”
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Origins of LifeFrancesco Redi- He showed that “living
things do NOT come from non-living matter.”
- “Living things come from living things.”
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6 Basic Needs of Living Things1. Energy
primary source is the sun
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6 Basic Needs of Living Things1. Energy2. Food
(provides chemical nutrients)
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6 Basic Needs of Living Things1. Energy2. Food3. Water
(allows chemical activities to occur)
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6 Basic Needs of Living Things1. Energy2. Food3. Water4. Oxygen
(from air or water)
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6 Basic Needs of Living Things1. Energy2. Food3. Water4. Oxygen5. Living Space
(competition for resources)
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6 Basic Needs of Living Things1. Energy2. Food3. Water4. Oxygen5. Living Space6. Temperature
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Testing for Life
Can soil from another planet be tested for life?
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