The scientist is likely to observe that the plant starts to wilt and show signs of stress. Since the stomata on the underside of the leaves are blocked by the petroleum jelly, the plant is unable to properly regulate its water loss through transpiration. This can lead to a build-up of water in the plant tissues, causing them to become swollen and possibly disrupt the plant's ability to absorb necessary nutrients.
Additionally, the plant may also start to show signs of sunburn or damage from the excess sunlight, as it is unable to regulate its water and temperature levels effectively. Overall, it is likely that the plant will exhibit symptoms of dehydration and stress due to the blockage of the stomata.
A scientist performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks the leaves stomata the plant continues to be watered and is located in a sunny spot what will the scientist observe
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