How has trend evolved from 6 million years ago to modern humans?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Moving down the ramp from 6 meters to

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