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Wegener believed continents moved, but he did not know how. Identify what needed
Wegener believed continents moved, but he did not know how. Identify what needed to happen before Wegener's idea about moving continents could be proven.(1 point)
Advances in technology were needed to gather more evidence.
Wegener had to recheck his data and change his conclusions.
Scientists had to directly observe tectonic plate movement.
New information was needed on the composition of Earth's crust.
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Mechanical isolation occurs when copulation becomes impossible between different species as a result of incompatible shape and sizes of their reproductive organs. thus, a snail with a disc like shape that is not able to mate with another one with a conical shell and the reproductive organs of the male bush baby that does not match with that of the females are examples of mechanical isolation. the other two are examples of behavioral isolation.