A student conducted an investigation to study gravitropism. The
control group was planted normally, while the experimental group was
planted upside down. After seven days, the control group looked
normal. The experimental group after 7 days the roots started to grow
toward the direction of gravity.
Which statement best explains why the experimental group started to
grow toward the ground?

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.