Similar fossils were found on different continents
They are the link between the sun's energy and the organisms that cannot manufacture their own food. Without an abundant amount of autotrophs<span> we would be severely lacking in atmospheric oxygen and food.</span>
Answer:
a- pharmaceuticals
Explanation:
Pharmaceuticals is a demanding and challenging field which tests your knowledge of DNA technology and medicine because they are the ones making drugs for new diseases and such. Thus they need to know how to prepare those drugs to target certain cells or organelles and such and need to know how it will affect the human being and/or other living beings
primary division of the sea, which includes the whole mass of water subdivided into neritic and oceanic zones; also pertaining to the open sea (open water)
Http://histologyolm.stevegallik.org/node/124
this should help you