<span>The correct answer for the question that is being presented above is this one: "D. Tundra." This ecosystem is common in eastern and northern Siberia. Flora include mosses, summer flowers, and small shrubs. Animals include wolves, reindeer, foxes, and rabbits. The ecosystems that is described in the paragraph above is the tundra.</span>
<span>The answer is letter A which is increasing predator population. The prey inhabitants rapidly increase in which this is tailed by an increase in the predator inhabitants. In addition, as predators eat the prey their population goes down since there is less to eat and the predator inhabitants also goes despondent.</span>
Answer: Sea-floor spreading — In the early 1960s, Princeton geologist Harry Hess proposed the hypothesis of sea-floor spreading, in which basaltic magma from the mantle rises to create new ocean floor at mid-ocean ridges. ... A test of the hypothesis of sea-floor spreading was provided by studies of the Earth's magnetism.