Answer: sympathetic nervous system prepares body for intense physical activity and known as flight or fight response whereas parasympathetic nervous system is almost the opposite, it relaxes the body and slows many human functions
Explanation:
Answer:
Mutations can create entirely new alleles in a population which changes the allele frequencies of a gene pool.
a replication process carried out by a virus within a bacterial cell
Pollution, burning fossils, undrinkable water
Salt water fish actually drink the salt water, excrete the salt, and are left with unsalted water in their body; they do this because the sea water, through the process of osmosis, draws out water from the body. <span>
When they are placed in fresh water, they continue to drink the water, but since the water is now less saline that the fish, water is no longer being drawn out, and in most cases (especially if the transfer was too quick), will start absorbing water, hence they will typically die. </span>