Answer:b
Explanation:
It will only be found in some cells because when a mutation is formed it will most likely not be able to spread
Answer:
b. behavioral isolation
Explanation:
It is a type of reproductive barrier that can lead to speciation. Behavioral behavior, such as mating rituals as in when two populations of the same species show some difference in behavior, typically in mating rituals
and signals.
<span>Bone marrow which is located <span>within the spongy or cancellous portions of bones is the essential site of new blood cell production or hematopoiesis. Bone marrow contains stem cells which able to differentiate into specialized cell types. People with diseases like blood cancers, such as leukaemia and lymphoma, sickle cell anaemia, and other rely on bone marrow transplantation to survive.</span></span>
Silt would be your answer here
Fossils are the sediment layers trapped between plants and animals.They are <span>the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.</span>