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Properties of Life

Properties of Life. What characteristics do living creatures have in common?. Characteristics of Living Things. All living things: have an orderly structure produce offspring grow and develop adjust to changes in the environment Use energy Adapt to their environment.

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Properties of Life

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  1. Properties of Life What characteristics do living creatures have in common?

  2. Characteristics of Living Things • All living things: • have an orderly structure • produce offspring • grow and develop • adjust to changes in the environment • Use energy • Adapt to their environment

  3. Living creatures are ORGANIZED • All made of the same collection of chemicals, but we are organized as… • molecules • proteins, fats, carbohydrates, nucleic acids carbohydrates proteins DNA

  4. Living things are organized orderly structure: (one or more cells) ~ cell- smallest unit of life ~tissue- group of cells that perform a common function ~organ- group of tissue that perform a common function ~organ system- a group of organs that perform a common function ~organism- any complete living thing

  5. Living creatures are ORGANIZED • All made of the same collection of chemicals, but we are organized as… • organelles & cells • plant cells & animal cells plant cell animal cell

  6. Living creatures are ORGANIZED • All made of the same collection of chemicals, but we are organized as… • organs & organ systems • respiratory, circulatory, digestive, etc.

  7. Living creatures REPRODUCE • Make the next generation

  8. Living things make more living things • Reproduction~ the production of offspring. • (necessary for species *to survive; not necessary for individual organism’s survival) • 2 types: • 1. asexual: 1 parent: offspring identical to parent • 2. sexual: 2 parents, offspring not identical to parents • * A species is a group of organisms that can interbreed and produce fertile offspring in nature

  9. Living things change during their lives • Growth results in an increase in the amount of living material and the formation of new structures.(cell division) • All of the changes that take place during the life of an organism are known as its development.

  10. Living things adjust to their surroundings • Anything in an organism’s external or internal environment that causes the organism to react is a stimulus • A reaction to a stimulus is a response.

  11. Living creatures RESPOND • Respond to internal changes • Homeostasis • maintaining balanced conditions inside the body • Respond to external changes

  12. Living things adjust to their surroundings • Regulation of an organism’s internal environment to maintain conditions suitable for its survival is called homeostasis

  13. Living creatures use ENERGY • Metabolism • all the reactions your body performs to make & use energy • eating & digestion & elimination of waste • synthesis = building • cellular respiration = making energy mitochondria

  14. Living things adapt and evolve • Any structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring is called an adaptation • Adaptations are inherited from previous generations. • The gradual change in a species through adaptations over time is evolution.

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