Regents Biology 2007-2008

Properties of Life

What characteristics do living creatures have in common?

Regents Biology

carbohydrates proteins

Living creatures are ORGANIZED

molecules proteins, fats, carbohydrates, nucleic acids

DNA

Regents Biology

Living creatures are ORGANIZED

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

plant cells & animal cells

animal cell

plant cell

Regents Biology

Living creatures are ORGANIZED

All made of the same collection of chemicals, but we are organized as… organs & organ systems

respiratory, circulatory, digestive, etc.

Regents Biology

Living creatures RESPOND

Respond to internal changes Homeostasis

maintaining balanced conditions inside the body

Respond to external changes

Regents Biology

Living creatures use ENERGY

mitochondria

Metabolism all the reactions your body performs to

make & use energy eating & digestion & elimination of waste synthesis = building cellular respiration = making energy

Regents Biology

Living creatures GROW & DEVELOP

Change over an individual’s life time get bigger mature

so they can reproduce

Regents Biology

Living creatures REPRODUCE

Make the next generation

Regents Biology 2007-2008

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