How is mitochondrial DNA (mtDNA) typing used in forensic science? An unknown mtDNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
An unknown mtDNA sample is matched to a sample of mtDNA that was found at a crime scene.
An unknown nuclear DNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
An unknown nuclear DNA sample is matched to a sample of mtDNA that was found at a crime scene.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.