About 800 ash trees live in a protected forest area. Which statement below would have the LEAST effect on the population of ash trees?
O A drought occurs and trees receive one half of their normal amount of rainfall.
O A new species of tree is introduced that grows taller and blocks half the sunlight that ash trees
typically receive.
O A group of scientists cuts down 7 of the 800 trees.
One-third of the trees are removed to build new houses.