the dried excrement of fish-eating sea birds, deposited in rocky coastal regions of South America: contains the urates, oxalates, and phosphates of ammonium and calcium; used as a fertilizer.
In prokaryotes there is only one rather simple type of cell division, which produces two identical daughter cells from one progenitor cell. This is asexual cell division, since it involves no sexual union of different individuals.
By Heather Scoville. Multicellular eukaryotic organisms can have many different types of cells that can perform different functions as they combine to form tissues. There are two main types of cells within the multicellular organism. These are called somatic cells and sex cells, or gametes. Somatic cells. Somatic cells are a regular type of body cell that is not involved in anyway in sexual reproduction. In humans, somatic cells are diploid, meaning they have two full sets of chromosomes in them. Somatic cells reproduce using the process of mitosis to create identical diploid copies of themselves when they split. Other types of species may have haploid somatic cells.