Why does some fruits have more seed than others?

There are several factors that can contribute to why some fruits have more seeds than others. Here are a few of the key reasons:

1. Species and Cultivar Variations: Different species of fruits naturally produce varying numbers of seeds. For example, apples and oranges typically have more seeds compared to bananas or grapes. Additionally, within the same species, different cultivars may have been selectively bred to have more or fewer seeds.

2. Pollination and Fertilization: The number of seeds produced by a fruit is often influenced by the pollination and fertilization process. If a flower receives adequate pollination, resulting in successful fertilization of multiple ovules within the ovary, it can lead to the development of more seeds.

3. Environmental Conditions: Environmental factors such as temperature, light, water availability, and soil quality can impact seed production. Stressful conditions or unfavorable environments can affect the development and maturation of seeds, resulting in fewer seeds being produced.

4. Reproductive Strategy: Some fruits may produce more seeds as a reproductive strategy to ensure the survival and dispersion of their species. By producing a higher number of seeds, the chances of successful germination and seedling establishment increase, particularly in environments where conditions may be less favorable for plant growth.

5. Fruit Size: Larger fruits often have more space available for seed development compared to smaller fruits. As a result, larger fruits may naturally contain more seeds to fill the available space.

It's important to note that the number of seeds in a fruit can also be influenced by genetic variations, specific breeding goals, and the overall biology and reproductive characteristics of the plant species.