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Page 20 in STAR: Section 2: The Study of Life

Page 20 in STAR: Section 2: The Study of Life. How are the branches of life science related? What are some big ideas in life science?. Page 21 in STAR. Even though life science can be divided into many branches, the different fields of study overlap.

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Page 20 in STAR: Section 2: The Study of Life

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  1. Page 20 in STAR:Section 2: The Study of Life • How are the branches of life science related? • What are some big ideas in life science?

  2. Page 21 in STAR • Even though life science can be divided into many branches, the different fields of study overlap.

  3. Science can be divided into different branches but the different fields of study often overlap.

  4. 1. Organisms are different but share similar characteristics • All organisms are made of tiny building blocks called cells • The chemical composition of all organisms is similar • All living things require energy

  5. 2. Change over time • The gradual process of change over time is called evolution. • Evolution takes many generations and sometimes millions of years • Growth and development occurs during an organism’s lifetime (i.e. tadpole become a frog)

  6. 3. Complementary Structure and Function • Structure is the way and organism is put together • Functions are the processes that enable an organism to survive • The structure and function are complementary, meaning they work together (an owls eyes are adapted to life at night and allow it to see when there is little light)

  7. 4. Physical Principles • Life follows the same rules or principles as the rest of nature

  8. 4. Physical Principles • Principles of chemistry explain the process that allows plants to capture the sun’s energy

  9. 4. Physical Principles • Chemical processes explain how animals digest their food

  10. 4. Physical Principles • The principals of physics help explain how eyes work

  11. Page 20 in STAR • CW: Characteristics of Living Things foldable.

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