Properties of Life Regents Biology What characteristics do living creatures have in common?

2007-2008

Living creatures are ORGANIZED

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All made of the same collection of chemicals, but we are organized as…

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molecules

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proteins, fats, carbohydrates, nucleic acids carbohydrates Regents Biology DNA proteins

Living creatures are ORGANIZED



All made of the same collection of chemicals, but we are organized as…



organelles & cells

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plant cells & animal cells plant cell animal cell Regents Biology

Living creatures are ORGANIZED



All made of the same collection of chemicals, but we are organized as…



organs & organ systems

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respiratory, circulatory, digestive, etc.

Regents Biology

Living creatures RESPOND

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Respond to internal changes

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Homeostasis

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maintaining balanced conditions inside the body

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Respond to external changes Regents Biology

Living creatures use ENERGY

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Metabolism

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all the reactions your body performs to make & use energy

  

eating & digestion & elimination of waste synthesis = building cellular respiration = making energy mitochondria Regents Biology

Living creatures GROW & DEVELOP

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Change over an individual’s life time

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get bigger

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mature

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so they can reproduce Regents Biology

Living creatures REPRODUCE

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Make the next generation Regents Biology

Regents Biology Don’t be a Dodo… Ask Questions!! 2007-2008