Can someone explain: why it's advantageous to have several different organ systems instead of one large system to handle all of the human body's functions.

the correct answer is sex-linked recessive.

i just took the test

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )