The landscape in which limestone is eroded to form deep valleys and cavers are called Karst landscape or karst topography. This kind of development start occuring whenever the acidic water starts breaking down the bedrocks near the cracks. As the bedrock starts breaking down slowly, the cracks start to open up creating bigger holes. with passage of time the holes will become big enough to create an underground drainage system for the surface water to flow and form underneath. If the water is unable to flow out and becomes stagnant, then the Karst will start getting bigger.
Answer:
ANSWER : NICHE
Explanation:
The particular role of a species or organism in its comprising ecosystem is termed as niche. Niche refers to every way that a specie interacts with its environment included both the biotic components as well as the abiotic components. Niche describes how well an organism is adapted for a particular environment. It tells us how well a species is for competing for food and other resources in that environment and how it is better for that environment.
Amoebas use extensions of their cell membrane (called pseudopodia) to move, as well as, to engulf food. When the pseudopodium traps a bit of food, the cell membrane closes around the meal. This encasement forms a food vacuole. Hope this helps.
