Question: what are the four main characteristics of life?
Answer: Intro. [00:00]
Organization (all life is composed of 1 or more cells) [02:20]
Homeostasis. [02:54]
Metabolism (including need to obtain+use energy) [03:35]
Reproduction. [04:22]
Growth and Development. [04:46]
Response to Stimuli. [05:10]
Evolution (occurs in populations, can lead to adaptation) [05:58]