Answer:
3 1 2
Explanation:
simple organisms apeared first insects would be less complicated than fish the came sharks as they are more complex organisms also insects were first to be food for fish and fish food for sharks
Natural selection<span> acts upon two major sources of genetic variation: </span>mutations<span> and</span>recombination<span> of </span>genes<span> through sexual </span>reproduction<span>. Most </span>mutations<span> do not affect the reproductive fitness of individuals -- some may be beneficial, some may be harmful, and </span>many<span> may be neutral. </span>Mutation rates<span> per gene are generally low</span>
Sexual reproduction is the most advantageous for the production of a wide variety of different organisms. The other type or reproduction is asexual which is where one can reproduce on their own. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
"Oil" is the one ocean resource that the <span>Persian Gulf, the Gulf of Mexico, and the North Sea are all known for their reserves of. It is an important energy resource for the whole world and is in great demand. Most of the oil around the globe come from this region. I hope that the answer has come to your great help.</span>
I believe it is called evolution and you can see this with a genetics tree
