However, for those who do have food allergies, this distinction is very important. Food allergies can cause death. Food Allergens and Allergic Reactions. Like most allergic reactions, allergens in food are responsible for the food allergies. They are mostly proteins that resist the heat of cooking, stomach acids, and digestive enzymes.
In bryophytes (mosses and liverworts), the dominant generation is haploid, so that the gametophyte comprises what we think of as the main plant. The opposite is true for tracheophytes (vascular plants), in which the diploid generation is dominant and the sporophyte comprises the main plant. Bryophyte Generations
Like all other vascular plants, they have a life cycle referred to as alternation of generations, characterized by a diploid sporophytic and a haploid gametophytic phase. Unlike the gymnosperms and angiosperms, the ferns' gametophyte is a free-living organism.xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Teacheranna. Confidence votes 16. The diploid sporophyte stage of the fern cycle is dominant. In seed plants, the opposite is true; the haploid gametophyte stage is dominant for these.