Answer:
emigration
Explanation:
The emigration of an animal, in this case of the antelope, is the cause of the lack of food.
The animals are in constant search of food and better places to cohabitate. Antelope is leaving its herd to find a better place for food and even if it sounds strange, animals are also behaving as individuals in case there is threatening of hunger.
1)Biotic factors are the living components of an ecosystem. These include living animals, plants, and microscopic organisms like bacteria.
Abiotic factors are the non-living components of an ecosystem. ... Biotic and abiotic factors both influence each other.
In the given case, most probably the top layer is of oil.
As oil is not soluble in water, it will float on the top of the water surface, in the given case it is the beaker. The oil will always float on top of the water, as it is less dense in comparison to water. The water and oil do not mix as the molecules of water are more fascinated with each other than in comparison to the molecules of oil.
As water is polar and oil is nonpolar, their molecules are not attracted to each other.
