Question

a reduction in sunlight will affect which organisms the most? fish plants

Explanation:

Plants rely on sunlight for photosynthesis, a process crucial for their survival and growth. Without sufficient sunlight, their ability to produce food (glucose) and oxygen is severely impaired. Fish, while part of the ecosystem, are consumers and do not directly depend on sunlight in the same fundamental way as plants do for their primary energy - obtaining process.

Answer:

Plants