Why do fruits protect seeds and help disperse them?

The primary purpose of a fruit is to protect the developing seed and facilitate its dissemination to new locations. Because parent plants and their offspring often compete for the same limited resources—such as water, nutrients, and sunlight—evolution has driven plants to develop ingenious adaptations to move their progeny away from the parent site.12

Protection and Dispersal Strategies

Fruits provide a protective enclosure for seeds as they mature from ovules following fertilization. Beyond this, they serve as specialized vehicles for dispersal:31

• Animal Dispersal: Many plants produce fleshy, sweet, or brightly colored fruits to attract animals. When consumed, the seeds are often transported and deposited elsewhere in the animal's feces, sometimes even requiring digestion to break down hard seed coats and stimulate germination. Other fruits use hooks, barbs, or spines to hitchhike on animal fur or feathers.432
• Wind and Water: Some fruits are adapted for flight with wings or feathery structures, while others are buoyant and impermeable to water, allowing them to drift across oceans or rivers to colonize new areas.324
• Mechanical Force: Certain species utilize explosive mechanisms, such as built-up water pressure or tension from drying tissues, to forcefully launch seeds away from the parent plant.32