Presentation on theme: "What is Biology & Characteristics of Life. What is Biology??? Bio- = life -logy = study of BIOLOGY = study of life (living things) ORGANISM = a living."— Presentation transcript:
What is Biology & Characteristics of Life
What is Biology??? Bio- = life -logy = study of BIOLOGY = study of life (living things) ORGANISM = a living thing
What is a living thing?? LETS BRAINSTORM!!
Is FIRE living? Why might someone consider fire to be living?
Characteristics of Living Things 1.ORGANIZATION -Every organism is composed of one or more cells!!
Levels of Organization Atoms Molecules Cell Part (Organelle) Cell unicellular organism Tissue (ex. muscle) Organ (ex. stomach) Organ System (ex. digestive) Multicellular Organism
Characteristics of Life 2.REPRODUCTION = production of offspring - essential for survival of SPECIES!
Characteristics of Life 3.GROWTH (adding biomass) AND DEVELOPMENT (structural/chemical changes)
Characteristics of Life 4.RESPONDS AND ADJUSTS TO CHANGES IN ENVIRONMENT (HOMEOSTASIS)
Characteristics of Life 5.USE ENERGY (metabolism)
What do biologists study? Organisms Interactions of organisms with their environments How to conserve resources and preserve species Solutions to human problems