Chapter 1 Section 3 Objectives Describe the characteristics of living things. How can life be...
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Transcript of Chapter 1 Section 3 Objectives Describe the characteristics of living things. How can life be...
![Page 1: Chapter 1 Section 3 Objectives Describe the characteristics of living things. How can life be studied at different levels?](https://reader035.fdocuments.us/reader035/viewer/2022062408/56649e9f5503460f94ba1f28/html5/thumbnails/1.jpg)
Chapter 1 Section 3Objectives
Describe the characteristics of living things.How can life be studied at different levels?
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Vocabulary
Create a flapbook for the following words (begins on p.16):• Biology• Cell• Sexual reproduction• Asexual reproduction• Metabolism• Homeostasis• Stimulus
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Interactive
• Quickwrite:
What is Biology??
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Biology
The Study of Life
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Is it alive??
In your notes copy the list below. By each tell if it is alive or not.Object Alive or Not??
Beetle
Fire
Water
Grass
Rock
Robot
Clock
Moss
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Characteristics of Living Things
• Video Clip—Life• In your group discuss and write a list of requirements for something
to be ALIVE…
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Characteristics of Life
• Biologists have established that all living things share 7 Characteristics of Life.
Cells Stimulus Homeostasis
Metabolism
Growth and Development
Reproduction
Change through Time
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All Living Things…
• Are made up of units called cells• Reproduce• Grow and develop• Obtain and use materials and energy• Respond to their environment• Maintain a stable internal environment (homeostasis)• Change over time (as a group)
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Cells
• A CELL—smallest unit of life• Unicellular—organism with only one cell• Multicellular—organism with many cells
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Reproduction
• Sexual Reproduction—2 cells from different parents unite to produce a new organism• Asexual reproduction—A single parent divides in half to form two new
organisms
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Growth and Development
• All organisms have a life cycle
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Materials and Energy
• Metabolism—the process of building up and breaking down materials for energy• Photosynthesis, eating
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Response to Environment
• Reacting to the environment around the organism• Example—a plant seed germinates and sprouts in response to
warmer, wetter weather
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Maintaining Internal Balance
• Homeostasis—process by which organisms keep their internal conditions stable• Example—Shivering in the cold to stay warm, sweating to cool off
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Change over time
• Evolution—As a group or species, organisms will change or evolve over time.• Example—plants over millions of years adapting to the lack of water
in deserts
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Characteristics of Living Things Song
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INTERACTIVE
• Characteristics of Life Booklet• 7 sections• For each section• Explain what it is in 1-2 sentences• Illustration
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Levels of Organization
• Biology can be studied at many levels from very broad to very specific• Copy the table “Levels of Organization” on page 21 into your notes
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Assessment
• Answer questions #1,2, and 3 on page 22