The nucleus is filled with protons and neutrons, usually depicted as spheres. you are thinking of a nucleus in an atom (chemistry). in biology, the rod-shaped structures inside the nucleus is the chromosome, the genetic material of the cell.hey are rod shaped bodies that lie at right angles to each other; internally they are made up of fine microtubules. â¦ Centrioles are best known for their role in generating microtubules, and during cell division, the centrioles diret the formation of the mitotic spindle. 2 people found this useful.
Giant Barrel sponge is one of the largest sponge's species found in the Caribbean. Barrel sponges are hermaphrodites. They have several methods of reproduction. Giant Barrel sponges can reproduce both sexually and asexually, for example if a piece of the sponges is broken off a new one will begin to grow.iant Barrel sponge is one of the largest sponge's species found in the Caribbean. Barrel sponges are hermaphrodites. They have several methods of reproduction. Giant Barrel sponges can reproduce both sexually and asexually, for example if a piece of the sponges is broken off a new one will begin to grow.
Some sponges have sexes, but most are hermaphrodites, or are sexless. A sponge can reproduce asexually through budding. However, most  sponges reproduce sexually by releasing sperm cells into the water  to fertilize ova.ponges are reproduced asexually by process of budding, which have great power of regeneration and sexually sponges are produced by gametes formation method.