The answer would be choice B.
This is because homeostasis is the regulation of body temperature and sweating, caused by the respiratory system, is a way the body maintains homeostasis.
Basically bicorn is a type of corn that feeds to animals. Sican is a type of sea creature that roams the bottom of the ocean
They are both similar because they both replicate stuff and they are different because DNA replication is natural but DNA cloning is man-made.
hope it helps!