Circadian rhythms are biological changes that occur on a 24 hour cycle. The correct option among all the options that are given in the question is the last option or the fourth option. This is the type of system that happens in plants, animals, cyanobacteria and fungi. I hope the answer comes to your help.
The genetic makeup of asexual reproduction is going to produce the exact same genetic material. It would be like having clones, because there is no new genetic material involved, thus no variation from offspring to offspring occurs.
