Think about earths ocean as one subsystem within the larger earth system. Describe at least two inputs and two outputs to the ocean subsystem. What are some interactions that the ocean has with other subsystems?

There are four subsystem of earth that includes lithosphere, hydrosphere, biosphere and atmosphere.

Ocean is included in hydrosphere and is one of teh largest subsytem in the earth. The two input and output to the ocean subsytem are as following:

some of the interaction of ocean with other subsytem are as following:

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.