I would say A or C . but go with C .
The cells of multicellular organisms become specialized for particular tasks and communicate with one another to maintain homeostasis. Specialized cells in multicellular organisms are organized into groups.
Answer:
Many populations throughout central Eurasia share high frequencies of the B allele, this pattern suggest or support the evidence of local adaptation in Eurasian human populations.
mitochondria and chloroplasts, which have their own DNA and membranes, suggests that these organelles descended from prokaryotes that were engulfed by a larger cell.