Humans have an effect on ecosystems when they use native grasslands or forested areas for farming or
Humans have an effect on ecosystems when they use native grasslands or forested areas for farming or urban use. One negative effect of these changes on the ecosystem is that there will be
(1) less biodiversity (2) more homes (3) successful economic growth
(4) increased food production
Solution and Explanation:
For centuries humans have cleared native grasslands and forested areas to farm on as well as built houses and cities on. It came with benefits but also with a cost. Since the question is asking us about negative effect we can eliminate any answers that sound like benefits such as 2,3,4. Indeed by eliminating grasslands and forests, humans have also eliminated homes and sources of food for many animals, making it harder for them to survive and thus decreasing biodiversity. Choice 1 is the correct answer.
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