NEETZoologyOrganisms and Populations
Which of the following is an advantage of predation?
Options
- AIt serves as conduits for energy transfer across trophic levels.
- BIt keeps the population of organisms of lower trophic level under control.
- CPredators help in maintaining species diversity in a community, by reducing the intensity of competition among
- DAll of these
Correct answer
D. All of these
Step-by-step solution
Besides acting as ‘conduits’ for energy transfer across trophic levels, predators play other important roles. They keep prey populations under control. But for predators, prey species could achieve very high population densities and cause ecosystem instability. When certain exotic species are introduced into a geographical area, they become invasive and start spreading fast because the invaded land does not have its natural predators. The prickly pear cactus introduced into Australia in the early 1920’s caused havo