I'd say that the answer is D. Speciation
Answer:
The first trilobite species went extinct and its ecological niche was occupied by another species, which may have evolved from the first cap
Explanation:
Considering the knowledge of geography and the situation you described in the text, the correct answer is that ", the Trilobite species went extinct and its ecological niche was occupied by another species, which may have evolved from the first cap.
No an object can not be made without some sources of nature
Population density is defined as the number of humans living on an unit area. It is <span>measured by the number of human inhabitants per square kilometer. It may be calculated for country, city or other territory. Netherlands is the most densely populated European country. The population density in Netherlands is 394 people per square. </span>
Well, if you ask a question, it's usually because you don't know the answer.
You hope that someone else is able to supply the answer.