What group of organelle s are responsible for the production of new molecules within a cell

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

List two modern organisms that have pentameral symmetry