Ibelieve it is c cladistics is a type of developed by german biologist willi hennig to formulate a more objective method for classifying organisms. phenetics systematics evolutionary theory none of the above

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables