What are the major functions of the male and the female reproductive systems?
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What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Where does the esophagus lead to in a frog?