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.
Background: The most common type of plants on the earth is angiosperms, or flowering plants. These plants produce. flowers for the purpose of reproducing. Other plants, like mosses, ferns, and conifers, do not produce flowers, and. therefore have alternative reproductive structures. Flowers attach to a stem at a point called the receptacle. Small, specialized leaves called the sepals lay at the base of.