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?