The stratosphere is the second layer present in the atmosphere. It is present above the troposphere and below the mesosphere. The layer that discriminates between stratosphere and troposphere is called tropopause whereas the layer which separates stratosphere and mesosphere is called stratopause. The temperature of the stratosphere increases as altitude increases.
This is due to the presence of ozone in this region that absorbs ultraviolet radiation from the sun. There are very few water vapours in this layer and hence the air is usually dry. Air is very light at the top of the stratosphere and if any material gets into this region, it is confined there for a long period. The damage that is being done to the ozone layer by CFCs and volcanic eruptions is just because of this lack of vertical convection.
Predation by one flour beetle species on another can be used as
In chapter 14 we have seen how a herbivorous stream insect controls
How was the amount of food that Gause (1934) provided
How are manipulation of host behavior by spiny-headed worms and
Predation is one of the processes by which one organism exploits another
Ecologists are now challenged to study global ecology. The apparent role
In his experiments on competition between T. confusum and T.
Discuss how mathematical theory, laboratory models, and field experiments have
Explain the roles of food and predators in producing cycles of abundance
What evidence is there that variation in atmospheric CO 2 concentration is
