Life
description
Transcript of Life
Life
Content Standard
LS1AKnow cells are the basic unit of lifeDescribe life functions performed by cells and
living organisms
Life Functions
MRS GRENM: MovementR: RespirationS: Stimulus-ResponseG: Growth and DevelopmentR: ReproductionE: Excrete WasteN: (obtain) Nutrients
Movement
All living organisms move to: Find shelter, a mate, food, etc Escape from predators and other danger Circulate materials in their bodies/cells Change the amount of light they get
(plants) Movement in plant cells
Respiration
Using food energy to make other types of energy.
Takes place in the cells of a living organism.
Stimulus-Response
All organisms respond to their environment.
Growth and Development
All organisms grow from a baby to an adult. (get bigger)
Organisms also develop (example: going through puberty)
Reproduction
Making more of ourselves
Excrete Waste
Getting rid of the waste products produced by chemical reactions in our bodies. We do this by breathing out carbon dioxide, producing sweat, urine and feces.
(obtain) Nutrients
We need materials for:GrowthRepairEnergy
How do you know “it”s alive?
In order to be considered living – the organism must have the ability to carry out ALL 7 life functions.
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?
Dead, Alive or Non-living?