Answer:
The non-coding regions of DNA are called introns. They are significant in evolution since they offer a great 'recipe' for recombination with genes/exons. Therefore, this offers variations among individuals on which natural selection could act upon to help a population adapt to changes in the environment. Introns also offer an additional step in gene regulation through the splicing of introns in making of mRNA.
<span>Platelets - help the blood to clot. Clotting stops the blood from flowing out of the body when a vein or artery is broken.
Red blood cells - carry oxygen
White blood cells - ward off infection</span>
Sugar and oxygen are the end products of photosynthesis
Answer:
it is good to know because once you hit high school your life will change. its good to think a bout because once your 16 you can start a short term job. but as soon as your 18 your gonna want to hang with people so you would need a career so you can start to earn money at a young age so you can see your friends, buy a house, buy a car , etc..
Explanation:
