It would be B. A bristlecone pine forest that contains tree that are over 500 years old. why? because when you think about it the other 3 were man planted and man done but B. was not it was the natural way/ an old-growth forest.
Organisms that die would have a harder time decaying, or may not even break down at all! Decomposers and detritivores break down dead organisms so without them it won't take place.
Genes are located on chromosomes and these chromosomes are passed into the gametes in sexual reproduction. If two genes are closely linked, it is likely that their positions on a chromosome are close together. This is why they are likely to be sent into the same gamete of the parent and inherited by the offspring.
Compact bone is the denser, stronger of the 2 types of bone tissue. It can be found under the periosteum and in the diaphyses of long bones, where its provides support and protection.
Answer:
before puberty begins
Explanation:
because on your menstrual cycle the blood clots are actually pieces of uterus and that's actually your uterine shedding and it usually starts doing that even before your period begins so it definitely be before puberty begins hope I didn't make the answer to awkward but that's the truth LOL
