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Answer:
These few lizards who eat vegetation will be able to survive and reproduce better than those who eat insects. Since for the most part don't have to compete for resources with other lizards they have a better chance for survival than those who eat insects.
By observing lizards on a hillside for over three decades Jack and Jill came saw changes that will save lizards from getting annihilate.
Natural Selection
Over three decades studying a population of lizards on a hillside, jack and Jill saw changes in their eating food.
Some lizards have begun to eat vegetation, but most continues to eat insects.
The changes occurred because of natural selection that allows the process of evolution.
Lizards are trying to change their food as they are trying to rely on plants.
By eating plants and leaves lizards to have a better chance of surviving than eating insects.
Learn more about natural selection here:
brainly.com/question/23929271