Why does some fruit have protease and some don't?

Some fruits contain proteases, enzymes that break down proteins, to aid in their growth and development, particularly in the context of seed germination and defense against pathogens. For example, fruits like papaya and pineApple produce proteases to help digest proteins in insects and other organisms that may harm them. In contrast, fruits that do not have proteases may rely on different defense mechanisms or have different ecological roles, such as attracting animals for seed dispersal without the need for protein degradation. Ultimately, the presence of proteases in fruit is influenced by their evolutionary adaptations and ecological niches.