Tough e noughâ¢ race bibs are a line of tear and water resistant bibs printed on a biodegradable paper laminate. 2: Are Tough e noughâ¢ race bibs as durable as synthetic paper (Tyvek)? Tough e noughâ¢ race bibs are as durable as bibs made on synthetic paper because they are made with an inner layer of plastic film.un a greener race with Tough enoughâ¢ biodegradable race bibs. Introducing a new line of tear and water resistant race bibs printed on a biodegradable paper laminate.
A single daisy or sunflower, for example, is not a flower but a flower head âan inflorescence composed of numerous flowers (or florets). An inflorescence may include specialized stems and modified leaves known as bracts.
Flower Structure and Reproduction. Flowers are the plant's reproductive structures. Angiosperms are types of plants that bear fruits and flowers. Flowers are usually both male and female, and are brightly colored to attract insects to help them carry pollen used for sexual reproduction. Not all flowers are colorful, though.