Its important because it tells us the difference between populations and individuals
It is a very interesting question - the technology is real and the research on eDNA published in a journal in 2017.
eDNA stands for enviornmental DMA sampling. It allows scientist to test water samples for the presence of the DNA of the invasive fish species. It is more effective than traditional methods of sampling because it does not require trapping or sighting of the invasive species. Water samples can be collected anywhere any time and the DNA results are as accurate and detailed as collected from the invasive species themselves. It provides a complete picture of what invasive species are there.
Answer:
The answer to your question is 4. The earth has four oceans.
Explanation:
The four oceans that we have are: The Pacific, Atlantic, Indian, and Arctic.
Hope this helped! God bless.
