73. When adenyl cyclase gets converted to cAMP, a signal cascade ensues. What isused to break down cAMP to stop this amplification

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

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