D) Competition favors the fittest organisms.
This is correct because, in different parts of the world, different organisms need different things to survive, which means if Wolves in Alaska need warm coats to survive, but animals in some parts of America don't, each animal that is the fittest to live in those conditions will survive, while the others with unfavorable genes will not.
We did this in class a week ago.
A.) The radius of vessel has the greatest affect on blood flow.(brainliest plz)
Breathing and Heart rate cause oxygenated blood to be delivered to all tissues around the body. plz mark mine as brainiest plz cuz I need help on ranking up even check my profile plz much appreciated if done plz plz plz thxplz mark mine as brainiest plz cuz I need help on ranking up even check my profile plz much appreciated if done plz plz plz thx
Answer:
well i only know that a male has 23 chromosomes and his hormones are called testosterone ,please follow me and his sex chromosome is <em><u>xy</u></em>
