Mr. Green
8-2-02Is it alive?
Mr. Green
• “All living things are made up of cells.”– Schleiden & Schwann
• What does it mean to be alive? (which movie is this from?)
– “If I only had a brain…”» Scarecrow
– “If I only had a heart…”» Tin Woodman
– “If I only had courage…”» Cowardly Lion
Mr. Green
• Mr. Green Acronym
• What’s Mr. Green?
• An acronym that’s used to remember terms by remembering a simpler word.– TSN: The Sports Network
– A.K.A: Toronto Sports Network…
Mr. Green
• Movement
• response system
• Growth
• Reproduction
• Exchange of Gases
• Exchange of Liquids
• Nutrient Transfer
Mr. Green
• “M”
• Movement– There is definite movement for a specific
purpose.– The tree moved the sap down the tree
• Specific purpose!
– The leaves moved in the wind• No specific purpose!
Mr. Green
Mr. Green
• “R” (first one)• Response System
– There is a protective response to avoid situations that are dangerous
• My finger jerked backward in response to the needle prick– Response system (nervous system)
• When I stuck the tack in the wall, there was no response...– No response system
Mr. Green
Mr. Green
• “G”
• Growth: An increase in size at some point during a lifetime (not necessarily current)
• Adult humans do not grow taller, but they did grow at one point in their lives.– They can still grow rounder…
Mr. Green
Mr. Green
• “R” (2nd one)
• Reproduction: New forms of life must be able to be produced from the existing one.
• The Cow had a calf which would one day grow into another adult Cow.– New Cow from old Cow
• The stick was broken into seven pieces.– Original stick is just broken into smaller pieces
Cow
Mr. Green
• “E” (1st one)
• Exchange of Gases: The acquiring of one type of gas, usually exchanging it for another type.
• The beans that Justin ate for supper last night increased his gas exchange amount.
• The candle needed oxygen to burn and gave off ash and smoke particles.
Candle and Flatulence
Mr. Green
• “E” (2nd one)
• Exchange of liquids: Living organisms need to obtain liquids (dehydrated) and get rid of excess liquids (urinate).– After drinking 15 Dr. Peppers, Forest Gump
needed to use the washroom.– After 2 hours of football practice, Jared
needed to drink lots of water.
Mr. Green
Mr. Green
• “N”
• Nutrient Transfer: Living organisms need to acquire nutrients to support building new tissue for development and growth.– Eating vegetables can give you many
nutrients and minerals you need for healthy skin.
– Meats, Poultry, Pork and certain veggies give you protein for building new cells.
Mr. Green