An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
Gene therapy replaces nonfunctioning genes with the normal, functioning copy. It helps people who have genetic diseases and such to live a more normal life. Hope this helps! :)
The statement is true. Dead zones are the zones of oxygen depletion, which is caused by excessive running off of the fertilizers into the water body. These chemicals, particularly the nitrates, which are used by algae etc. which bloom by using the nitrates and use the oxygen present in the water. When they die, oxygen levels become critically low till then, for other aquatic animals like fishes etc., to survive.
Answer:
the inner most layer of the earth is known as the core it is divided into inner core and outer core . it comprises of a high concentration of nickel and iron. here is your answer thanku
