/ reply You need to login before you can answer. It is not uncommon that some species have repeated names such as Lutra Lutra, Bombus Bombus, Turdus Turdus, Lupus Lupus etc. When it is necessary to use a Latin name, follow the standard practice.t is not uncommon that some species have repeated names such as Lutra Lutra, Bombus Bombus, Turdus Turdus, Lupus Lupus etc. When it is necessary to use a Latin name, follow the standard practice.
A sample of gneiss from the site of the Earth's oldest dated rocks (the Acasta River area of Canada). This sample has been dated at 4.03 billion years old.
How Do Scientists Know the Age of Rocks? (Student Reading) P ick up a rock, any rock, and examine it. Can you see any way to determine its age? Is it ten years or ten million years old? You cannot tell just by looking at it. For this reason, scholars for nearly all of human history had no way of knowing the age of the Earth or its rocks.