Which of the following hypotheses is the best for this scenario?

Question

"In a high school science lab, a group of students is conducting an experiment to determine the amount of water needed to grow a seed into a fully mature plant. The students are investigating the effect of varying water amounts on the growth and development of bean plants."
Responses

Bean plants will grow best when they receive the most amount of water, as this will provide them with more nutrients and encourage faster growth.
Bean plants will grow best when they receive the most amount of water, as this will provide them with more nutrients and encourage faster growth.

The amount of water has no effect on the growth and development of bean plants; all plants will grow equally well regardless of the water amount.
The amount of water has no effect on the growth and development of bean plants; all plants will grow equally well regardless of the water amount.

Bean plants will grow best when receiving a moderate amount of water, and excessive or insufficient water will result in stunted growth or plant mortality.
Bean plants will grow best when receiving a moderate amount of water, and excessive or insufficient water will result in stunted growth or plant mortality.

Bean plants will grow best when they receive the least amount of water, as this will encourage them to develop deeper roots and seek out water.

Answer 1

The best hypothesis for the scenario described is:

"Bean plants will grow best when receiving a moderate amount of water, and excessive or insufficient water will result in stunted growth or plant mortality."

This hypothesis considers the possibility that both too much and too little water can negatively affect plant growth, which aligns with common scientific understanding of plant hydration needs. It suggests an optimal level of water that supports healthy growth while acknowledging the potential risks associated with extremes in watering.