Answer:
Taxonomy may be defined as the branch of biology that mainly deals with the classification, arrangement and nomenclature of the organism. Organism are classified into the different taxa depending on their similarities and differences.
The shared characters may be defined as the characters that are share among the two lineages. As given in the question, the two humps that are present on the bottom end of Pakicetus ankle bone is the shared distinguish character with the other ungulates that are even toed.
If it is rounded to the hundredths place, it would be 18.19 if it is rounded to the tenths place, it will be 18.2 and if it is rounded to the whole number, it will be 18.
The presence of protein in the urine is called proteinuria. Proteinuria is an indicator that THE KIDNEYS' FILTRATION MEMBRANE HAS BEEN DAMAGED.
It is the work of the kidneys to filter the blood and remove all the waste products while conserving the materials needed in the body. When body materials such as protein begin to come out with urine in excess of the normal quantity expected, then that means that the kidney is not filtering the blood very well again and this is usually due to damage in the kidney glomeruli which perform the process of filtration.
You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.
