The correct answer is - A. Devonian.
The Devonian is one of the seven periods of the Paleozoic Era. It lasted for 50 million years, from 410 million years ago until 360 million years ago. It is the period in which the first insects evolved, the first seeded plants, as well as the first land vertebrates. This period came after the Silurian period, and was followed by the Mississippian period.
The answer for One of the defining aspects of mass extinctions in that natural selection forces do not play a role in the outcome is False
Adobe is a building material which is from earth and organic materials. Adobe is one of the earliest building material used on the world. The Pueblo peoples of the American Southwest built homes out of adobe, sun-dried earth made from sand, clay, water, and organic matter. This is an example <span>of the concept of cultural landscape.</span>
