important ecological definitions

Ecological succession is of great importance as i) It provides information, which help to have control on the growth rate of one or more species in a given geographical area. ii) It helps in reforestation and forest management programm..

Biodiversity Changes in an ecosystem Fluctuations in population size in an ecosystem Water, carbon, and nitrogen - cycle between abiotic resources and organic matter in the ecosystem Oxygen cycles via photosynthesis and respiration Stability of producers and decomposers in an ecosystem ..

Biodiversity Changes in an ecosystem Fluctuations in population size in an ecosystem Water, carbon, and nitrogen - cycle between abiotic resources and organic matter in the ecosystem Oxygen cycles via photosynthesis and respiration Stability of producers and decomposers in an ecosystem ..

. If the deer disappear, then the tigers will starve and dwindle in number. And if the plants disappear, then deer cannot survive and as a result the tigers also cannot survive. Such an event in the earlier days has resulted in the creation of deserts such as Sahara in Africa and the Thar desert in..

- The food passively sinks into the body on contact. ..

Ecological hierarchy begins at the level of the organism and proceeds to levels of greater complexit..

Ecological Succession - "The occurrence of relatively definite sequence of communities over a long period of time in the same area resulting in establishment of stable or climax community, is known as ecological or biotic succession". The first community which is inhab..

Ecological pyramids are also called 'Eltonian pyramids' after C. Elton. Charles Elton (1927) developed the concept of ecological pyramids who noted that "the animals at the base of a food chain are relatively abundant while those at the end are relatively few in number" Eco..

Ecological Adaptations - The part of the earth in which life exists is called biosphere. The biosphere consists of 3 major types of habitats. Aquatic habitat Terrestrial habitat Aerial or Arboreal habitat The special characteristics of plants and animals that enalbe them to be successful ..

The phenotype is the physical expression of the organism. The phenotype shows variations due to differences in the environmental conditions in a habita..