Coal mining produces not only air pollution but solid waste; ash and flue - gas desulferization sludge ( look it up ), which contains toxic arsenic and radioactive uranium among other heavy metals. Water becomes polluted with these harmful substances through mountain top removal mining and so underwater creatures are poisoned and plants absorb deadly substances and die, which also contributes to the aquatic organisms death as the plants may have been a food source.
B. synapomorphy
A synapomorphy is a shared apomorphy that distinguishes a clade from other organisms.
A clade also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".
Answer:
To describe a new specie, it has to be carefully examined in order to determinate that it doesn´t belong to an another specie already described.
Once it has been determinate the novelty of the specie, the researchers write a formal description of it, takes pictures and name it with the new scientific name. Then, the researchers refer it to a scientific magazine. The editor of the publication will comunicate the new discovery to an experts in that gender. If the experts agreed, and the publication accept the study, the specimen converts to a new specie. The process is long and could take years betwen the inicial discovery and the formal acceptation of the new specie
Explanation:
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