characteristics of living things tell me what you know about characteristics and what you know...
DESCRIPTION
1. Made of 1 or more cells Unicellular (one cell) - ex. Bacteria Multicellular (many cells) - ex. Animals, plantsTRANSCRIPT
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Characteristics of Living Things
Tell me what you know about characteristics and what you know
about living things.
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What is biology?
The study of living thingsAll living things share certain characteristics
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1. Made of 1 or more cells
Unicellular (one cell)
- ex. BacteriaMulticellular (many cells)
- ex. Animals, plants
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2. Need energy to survive
Autotrophs - get energy from sunHeterotrophs - get energy by consuming nutrients from their environment
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3. Respond to stimuli in their environment
Stimuli - factors in the environment that living things react to
(ex. Light, temperature, sound, etc.)
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4. All living things reproduce
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5. Grow and develop
Each cell divides to make new cells (cell division) – results in growthSome cells become specialized and perform different jobs than others (differentiation)
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6. Maintain homeostasis
Homeostasis – a relatively stable internal environment (within a certain range)
- (ex. Human body temperature (approximately 98.6 degrees F))
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7. Have a universal genetic code
All living things have DNADNA passes on genetic information from one generation to the next
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8. Adapt and evolve over time
Evolution - gradual change in a population of organisms over time