Tag: introduction to tissues

Ecosystem is made up of living and nonliving components. It is of two types, natural ecosystem and artificial ecosystem. Natural ecosystem is also called as macroecosystem. Artificial ecosystem is called as microsystem. Microecosystems can exist in locations which are precisely defined by critical environmental factors within small or tiny spaces. A man-made microecosystem is crop field. It is independent of solar energy. 

Oceanic island communities are more vulnerable to invasion by outside animals and plants than those of main lands. These islands include high volcanic-based islands like Hawaii and low coral islands like Marshalls. These areas are susceptible to invader impacts. This is due to lack of natural competitors and predators which control populations in the ecosystems.  

Ritual contests with little risk to injury help individuals to display their stereotyped aggression which in turn prevent other organisms to attack it. Organization of individuals of a grouped according to their dominance refers to as dominance hierarchy. The agonistic behaviour such as ritual contest with little risk leads to maintenance of stable hierarchy. 

The social foresting species is:

A sacred grove is any grove of trees that are of special religious importance to a particular culture. These are also called sacred woods. They are examples of in-situ conservation of biodiversity. Such groves are found throughout the world. In our country, such groves are found in Meghalaya.

Oran is a major coastal city located in the north-west of Algeria. It is an important city of Algeria due to its commercial, industrial, and cultural importance. It is a sacred landscape. A legend says that in 900 AD, lions still lived in the area. The last two lions were hunted on a mountain near Oran and are elsewhere referred to as "mountain lions".