Which plant structure takes in the water and nutrients used by the
plant to grow?
W

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

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Which of the following is required of a new drug?me