Here's why:

* Sunlight: The canopy is the top layer of the rainforest, receiving the most sunlight. This is crucial for photosynthesis, which is essential for fruit development.

* Pollination: The canopy is where many pollinators like birds, insects, and bats live and move. They play a vital role in pollinating the flowers that eventually develop into fruits.

* Dispersal: The canopy also provides access to wind and animals that help disperse the seeds, ensuring the spread of the plant species.

While some fruits may grow on the emergent layer (the tallest trees that rise above the canopy), the vast majority of fruits are found in the canopy.