C, clay contains silicon carbon compounds.
Kidneys and skin are part of the excretory system the bladder is part of the urinary system.
Answer:
These plants look so similar because of convergent evolution/analogy.
Explanation:
Analogy in evolution is the development of similar or analogous structures in distantly related species occupying the same environment. This is because the species have developed similar adaptations, over time, which enables them to survive in their environment.
The best and most correct answer among the choices provided by the question is the first choice. The skin prevents from being thin by undergoing cell division to replace old, dead cells. I hope my answer has come to your help. God bless and have a nice day ahead!