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.
Lesson Summary. 1  Homeostasis is an organismâs ability to maintain a stable internal environment. 2  Homeostasis is an important characteristic of living things. 3  Keeping a stable internal environment requires constant adjustments as conditions change inside and outside the cell.esson Summary. 1  Homeostasis is an organismâs ability to maintain a stable internal environment. 2  Homeostasis is an important characteristic of living things. 3  Keeping a stable internal environment requires constant adjustments as conditions change inside and outside the cell.