The Scope of Biology

What is biology? Biology is the study of

All living things… are composed of cells Organisms may be unicellular or multicellular

All living things… obtain and use energy Can be autotrophs or heterotrophs

All living things… Reproduce Reproduction can be asexual or sexual

All living things… Are based on a genetic code Grow and develop Change in size

All living things… respond to their environment allows for adaptation Change over time (as a group) Natural selection Die x-(

All living things… Maintain homeostasis

Processes of Life Nutrition Transport (& Circulation) Respiration Can be aerobic or anaerobic Synthesis & Assimilation Excretion Metabolism

Classifying Life – page 9 Name of Domain Prokaryote or eukaryote Unicellular or multicellular Type of organisms