The sun is the primary source of energy for ecosystems
- The sun is the primary source of energy for ecosystems the sun emits
- The sun is the primary source of energy for ecosystems the sun emits blank
- The sun is the primary source of energy in most ecosystems
- Light from the sun is the primary source of energy for almost all ecosystems on earth
- The sun is the ultimate source of energy for most ecosystems
- What is the primary source of energy for nearly all of earth's ecosystems