"your friend is trying to learn about how to kill bacteria. she reads that preservatives such as citric acid are added to foods because the acidic environment kills bacteria by denaturing their proteins. since you are taking a biology class, she asks you what it means. how can you explain it in simpler terms? "

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