The organism most likely to have 10% of the Sun's energy available for its use is the hawk. In an energy pyramid, as energy flows through an ecosystem, each trophic level receives only about 10% of the energy from the level below it. This is known as the 10% rule.
Here's how it works:
1. The Sun provides energy to producers (plants, shrubs, trees) through photosynthesis.
2. Herbivores like insects consume the producers, obtaining about 10% of the energy.
3. When a secondary consumer like a snake consumes the herbivores, it gets around 10% of the energy.
4. Moving up the energy pyramid, when a tertiary consumer like a hawk eats the snake, it receives approximately 10% of the energy.
Therefore, in this scenario, the hawk is the organism that most likely has 10% of the Sun's energy available for its use.