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.
During their life cycle, jellyfish experience an alternation of generations in which one generation (the medussa) reproduces sexually and the next generation (the polyp) reproduces asexually. The medusa form is the dominant and most recognized form of the jellyfish. Overall, the basic stages in the life cycle of a jellyfish include: egg and sperm planula larva polyp (or scyphistoma) polyp hydroid colony (or strobilating scyphistomata) ephyra medusa Egg and Sperm Jellyfish reproduce sexually so adult jellyfish are either male or female.