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1-3 Studying Life Page 13
Photo Credit: © Andrew Syred/Science Photo Library/Photo Researchers, Inc.
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2. Characteristics of Living Things
What are some characteristics of living things?
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3. Characteristics of Living Things
Living things share the following 8 characteristics:
made up of units called cells
reproduce
based on a universal genetic code (DNA)
grow and develop
get and use materials and energy (metabolism)
respond to their environment (stimulus)
maintain a stable internal environment (homeostasis)
change over time (evolve)
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BIG IDEAS in Biology
All parts of biology are tied together by these 10 BIG IDEAS!
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Big Ideas in Biology
1. Cellular Basis of Life
Organisms are composed of one or more cells, which are the smallest units that can be considered fully alive.
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Big Ideas in Biology
2. Information and Heredity
Genetic code is common, with minor variations, to every organism on Earth.
That information, carried in DNA, is copied and passed from parents to offspring.
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Big Ideas in Biology
3. Matter and Energy
Matter serves as nutrients to build body structure and energy to fuel the processes of life.
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Big Ideas
4. Growth, Development and Reproduction All living things make more individuals.
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Big Ideas in Biology
5. Homeostasis
An organism’s ability to maintain a relatively stable internal environment.
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