Answer:
Explanation:
1. The classification and naming of organisms in an ordered system that is intended to indicate natural relationships, especially evolutionary relationships.
2. The science, laws, or principles of classification.
3. An ordered arrangement of groups or categories
The disappearance of the deer from the forest indicates the EXTINCTION OF THE DEER.
The extinction of the deer from the forest will throw the ecosystem out of balance and has negative impacts on the ecosystem. After all the deer has been eliminated, the elephants too will either have to find another source of food or be wiped out.
Mantle convection causes tectonic plates to move around the Earth's surface.
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
