Which structure evolved in cells approximately one billion years ago that allowed for the forming of more complex, multicellular organisms? a) nucleus b) ribosome c) plasma membrane d) golgi apparatus

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present