What does it mean to have a hypotonic solution?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

What was darwins theory of common decent

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