If we consider only wooden ships, then all of the things on the list are composed of large carbon frameworks called polymers. Since 1872 chemists have identified the common polymers produced by plants and animals, primarily proteins (collagen, keratin) and carbohydrates (cellulose, starch).
stamen. One of the male organs of a flower, consisting typically of a stalk (filament) and a pollen-bearing portion (anther).The male reproductive organ of a flower.The male organ of angiosperm flowers where pollen grains are produced in the anther component of the stamen.These pollen grains are produced by meiosis and provide the building blocks required for reproduction of an angiosperm species.he male reproductive organ of a flower.The male organ of angiosperm flowers where pollen grains are produced in the anther component of the stamen.
The stamen is the male reproductive part of a flowering plant. This  is made up of the anther and filament. The anther produces and  contains pollen, the filament is the fin â¦ e stalk that the anther  sits on top of. The stamen is the pollen-producing male  reproductive organ of a plant. 6 people found this useful.