Actually yes. You can find organisms, like bacteria, living in deep oceans, which do not have access to sunlight. There are cases in which they use thermal resources in order to produce energy. They are called <span>chemoautotrophs. You can find them around deep ocean "smokers".</span><span />
a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
Answer:
Um, well the formula for population growth (is <em>that </em>what you are asking?) is
(birth rate + immigration rate) - (death rate + emigration)
Explanation:
emigration is animals moving out and immigration is animals moving into the population.
