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.
Answer:
Exponential growth is the increase in population of a species per unit area in a habitat in a given time when the resources available are unlimited. In nature, the population may grow exponentially for some time but ultimately will be limited depending upon the availability of resources.
Explanation:
Difference : shape, bone structure, dont have the same amount of fingers
Same: they all mock eachother with having some type of fingers