Characteristics of Living Things

What characteristics determine is something is a living thing?

Living Things are HIGHLY ORGANIZED –

They are made of different components working together in a very intricate, precise way.

List of Characteristics

• Living things are made of cells• Contain DNA and basic elements (CHOPNS)• Ability to move• Obtain energy and water (carry out respiration)• Repair injuries• Reproduce and grow• Limited lifespan• Homeostasis (respond to surroundings)• Change over time (adapt)

Cells – The basic unit of life

History

• http://cellsvideos.weebly.com/

Cell Theory

• The cell is the basic unit of life.• Living things are made of cells.• All cells come from other cells.

Levels of organization

• Organelles• Cells• Tissue• Organs• Organ systems• Organisms

Types of Cells

• Eukaryotic• Prokaryotic

http://www.wfisd.net/Page/10902

Cell Shapes and Jobs

Cell organelles

• http://cellorganelles.weebly.com/

Differences in Plant and Animal Cells

• Plant cells have “cell walls”.• Plant cells have “chloroplasts”.• Plant cells have larger vacuoles than animal

cells.