AP BIOLOGY

Detailed explanation-1: -So we are looking for which of these events is most likely going to cause a disturbance in this environment. So grasses as we know, they burned quite well. So our correct answer is going to be letter D a fire because that will destroy the majority of the vegetation in a grassland bio. This fire was caused by lightning.

Detailed explanation-2: -Grasslands are threatened by habitat loss, which can be caused by human actions, such as unsustainable agricultural practices, overgrazing, and crop clearing.

Detailed explanation-3: -Threats to natural grasslands, as well as the wildlife that live on them, include farming, overgrazing, invasive species, illegal hunting, and climate change.

Detailed explanation-4: -The degraded land’s less fertile ground cannot yield crops nor can animals graze in these fields. With a dramatic decrease in plant diversity in this ecosystem, more carbon and nitrogen may be released into the atmosphere.

Detailed explanation-5: -Natural wildfires have been a component of grasslands for millions of years and were important in creating many of these grass and herbaceous ecosystems. Humans ignited fires over many millennia to improve habitat for animals and livestock. Prescribed fire is a component of modern grassland management.