Answer:
The stamen of a flower — the part that produces pollen — consists of a slender stalk, called a filament and an anther. The filament supports the anther, which is where pollen develops. The word filament is from the Latin word filum, which means "thread." Filament, in fact, can be a synonym for thread.
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease.
Reproduction is not necessary but is essential in keeping the generations of species going.<span />
What are the classifications of the animal kingdom?
According to the system set up by Linnaeus, all animals are classified into seven categories: kingdom, phylum, class, order, family, genus and species.