Cells contain parts known as organelles. these parts are specialized. what does this mean? a. the parts feel really good about themselves. b. individual parts perform a wide variety of functions. c. individual parts perform very specific functions. d. the parts are made up of unique and rare elements

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