Properties of Life Regents Biology What characteristics do

Properties of Life Regents Biology What characteristics do living creatures have in common? 2007 -2008

Living creatures are ORGANIZED § All made of the same collection of chemicals, but we are organized as… u molecules § proteins, fats, carbohydrates, nucleic acids carbohydrates proteins DNA Regents Biology

Living creatures are ORGANIZED § All made of the same collection of chemicals, but we are organized as… u organelles & cells § 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… u organs & organ systems § respiratory, circulatory, digestive, etc. Regents Biology

Living creatures RESPOND § Respond to internal changes u Homeostasis § maintaining balanced conditions inside the body § Respond to external changes Regents Biology

Living creatures use ENERGY § Metabolism u 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 § Change over an individual’s life time get bigger u mature u § so they can reproduce Regents Biology

Living creatures REPRODUCE § Make the next generation Regents Biology

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