1.5 characteristics of life unity in diversity. 1. order all organisms exhibit complex organization
TRANSCRIPT
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1.5 Characteristics of Life
Unity in Diversity
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1. ORDER
• All organisms exhibit complex organization
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2. Regulation
• The environment outside an organism may change markedly, but regulatory mechanisms maintain an organisms’ internal environments within limits that sustain life.
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homeostasis • The ability to maintain
a relatively constant internal environment.
• EXAMPLES: body temp.
• Blood sugar levels• Water levels• pH
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Kidney used for water regulation
Gets rid of wastes
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3. Growth and development
• Each organism has a pattern of growth and development characteristic of its species.
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4. Energy Utilization
• Organisms take in energy and transform it to perform all of life’s activities.
-metabolism -photosynthesis
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5. Response to the environment
• All organisms respond to environmental stimuli.
Eye spot (responds to light)
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I’m outa here!
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6. Reproduction
• DNA lends itself to precise replication, and all organisms reproduce their own kind.
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7. Evolution
• Reproduction underlies the capacity of species to change (evolve) over time.