Seeds are available in all styles and sizes. Some tropical rainforest orchids have seeds that are smaller than a pinhead-so small,the truth is, that they are like mud. At the other end of the dimensions is the large Coco de Mer seed which could be up to forty centimetres lengthy and weigh as a lot as 18 kilograms, about the same weight as a medium-sized dog! During its early levels of progress, the seedling relies on this retailer until itâ€™s massive enough for its own leaves to begin making food via photosynthesis. Different seeds store meals reserved in other ways-some rely on large reserves of endosperm (nutritive tissue across the embryo), while others store meals reserves in embryonic leaves. In flowering plants, seeds develop in a fruit. The fruit protects seeds but also helps with their dispersal from one place to a different. Sometimes the fruit is nice and mushy and scrumptious, like a berry that attracts animals who then accidently carry the seed to a new home.