Muscles in the stomach mix what 3 things together?
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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

Why do mountaineers become breathless as they reach high altitudes

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f