I think its the left one (sorry if im wrong)
If the predator that feeds off the dart frogs goes extinct or migrates to a different area then the dart fronts will have a much larger population. This means that the resources the dart frogs rely on will start to deminish and their prey will have smaller numbers
organisms are always in competition for resources such as food and water or simply just for space.
Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in the transfer of heat.
Answer: a, to avoid overgrazing, vegetation loss and soil erosion
Explanation: I just finished the assignment and it was correct
