Which part of the kidney acts as a funnel to pass the urine that is produced in several nephrons to the ureters?
a. medulla
b. cortex
c. renal pelvis

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

There are six elements that make up most of the human body. which of the following is not one of these six elements?

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