Which group of organisms are most closely related? a. class b. family c. genus d. species

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

What type of graph presents information about how often certain or traits occur?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.