Answer:
B. Organisms in each ecological system have evolved in that system and have adaptations suited for that environment.
Explanation:
According to natural selection theory, organisms need to continuously adapt and evolve within an environment or risk being wiped away from that environment.
Organisms that are not able to adapt to an environment are gradually replaced by those that have the capability to adapt and survive in that environment.
Those that are able to survive go ahead to reproduce and give rise to offspring with inherent ability to survive while those that cannot survive die off.
The correct option is B.
C. Convection.
That is the process you are describing.
Mitosis: Asexual reproduction, Four daughter cells, The chromosome's double in number, 46. Two cell divisions, They are identical
Meiosis: Sexual reproduction, Four daughter cells, The chromatid count never changes, Two divisions, They are genetically different from the parent.
Which of these is an example of an achieved status? d. husband