18.   which process does the plant need energy to perform?
       
  a. transpiration of water
  b. absorbing water into the root hairs
  c. release of oxygen into the atmosphere
  d. pulling nutrients into the root hairs

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

All eukaryotic cells contain small bodies called

Match each symbol with its description.