This question dose not have enough info to answer, i'll gladly help if this question had a date in which mercury was used or what had mercury in it.
I apologize.
Mimicry can be an essential part of survival for animals. For instance, it is common for offspring to mimic their mother in ways that are outside their genetic makeup, which can keep them safe from harm.
A small rocky body orbiting the sun
Crocodiles belong to Reptiles. Reptiles are <span>a cold-blooded vertebrates. </span>