anaphy lec module 1

evolution

provides a scientific explanation for the history of life on Earth and the mechanisms by which changes to life have occurred.

ecosystem and environmennts

All life exists within an ecosystem made up of the physicochemical environment and other biological organisms.

causal mechanisms

Life requires information flow within and between cells and between the environment and the organism.

cell

The cell is the basic unit of life.

structure dictates function

Understanding the behavior of an organism requires understanding the relationship between structure and function (at each and every level of organization)

levels of organization

Living organisms carry out t functions at many different @ levels of organization . simultaneously.

information flow

Life requires information flow within and between cells and between the environment and the organism.

matter, energy, and transformation

Living organisms must obtain matter and energy - Post Respiration from the external world. This matter and energy must be transformed and transferred in varied ways to build the organism and to perform work.

homeostasis

Homeostatis (and stability in a more general sense) maintains the internal environment in a more or less constant state compatible with life.