The sun is probably the most important source of renewable energy available today. Traditionally, the sun has provided energy for practically all living creatures on earth, through the process of photosynthesis, in which plants absorb solar radiation and convert it into stored energy for growth and development.
You won't believe these 10 facts about people. Energy homeostasis describes the ability of all living things to sustain the stability of internal functions. Most living things require certain internal conditions to survive.
Homeostasis- the maintenance of a constant internal state in a changing environment; a constant internal state that is maintained in a changing environment by continually making adjustments to the internal adn external environment. Metabolism- the sum of all chemical processes that occur in an organism.