Random changes in allele frequency in a population are usually called genetic drift. The reason why this is the answer is because it is a very specific word which is used to describe exactly that - random changes in allele frequency.
All the other cases; answers, here aren't correct and don't apply.
The related member of phylum is (a) arthropoda.
what are the answer choices
Answer:
Whenever there's a decrease of blood flow to the kidney, ADH is secreted which trigger the kidneys to reabsorbed water from the urine.
Increase ADH secretion: low volume and highly concentrated urine
Decrease ADH secretion: high volume and poorly concentrated urine (diluted)
