Pylogenetic tree diagram is a diagram that represent evolutionary relationships among organisms. It reflect how species or other groups of organism evolved from a series of common ancestor.From this pylogenetic tree diagram the least related organism is insecta and Trilobites
True because water is the best and healthiest liquid you can consume... a soda every now and then won’t kill you though.
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P