means 'soft-bodied' and, although some have developed a tough shell, they are all soft on the inside. they are one of the largest animal groups with about species worldwide which make up about a quarter of all marine animals. in australia there about species. molluscs are found in marine, freshwater...
gemmules to only bind to and proliferate from developing cells, not mature ones. [ ] darwin hypothesized that gemmules might be able to survive and multiply outside of the body in a letter to j. d. hooker in . [ ] darwin's description of cell proliferation using pangenesis theory in the variation of animals...