What are the possible consequences of adding an organism to a food chain?

The organism that is added will compete for food resources with an existing organism. This could possibly lead to competitive exclusion.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

answer biotechnology;