Organisms who happen to be best suited to an environment and reproduce most successfully will be consider successful in terms of natural selection.
Answer: Those which can adapt and withstand the high acidity levels of water.
The pond slowly becomes more acidic due to release of chemicals from a nearby factory. The chemicals released are acidic and toxic which will cause biomagnification in the pond water. Those organisms which can withstand the high acidic pH of water will survive. Others which can undergo adaptations can also survive.
The answer is that infant circumcision is not ethically necessary. The reason to this is that there are no proof of evidence as to why it is ethically necessary for it to be done to an infant. It is also because other medical professionals thinks that doing circumcision in an infant will create issues in terms of their health, producing complications. That is why it is not ethically necessary for it to be done on an infant.
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.