Simplify the following text for a Grade 11 native English-speaking person.
Original: Life has traditionally been seen as driven by energy from the sun , but deep sea organisms have no access to sunlight , so they must depend on nutrients found in the dusty chemical deposits and hydrothermal fluids in which they live .
Simplified: Deep sea organisms have no access to sunlight , so they must depend on nutrients found in the chemical deposits and hydrothermal fluids in which they live .