The following points highlight the seven major ecological levels of organisations. The ecological levels are: 1. Organisms 2. Population 3. Biological Community 4. Ecosystem 5. Landscape 6. Biome 7. Biosphere. Ecological Level # 1. Organisms: They make the basic unit of study in ecology. At each level, the biological unit has a specific structure and function. At this level, the [...]
Plants of hot deserts are adapted to survive in dry conditions of soil and high temperature. Places where available water is not present in adequate quantity are termed xeric habitats. The plants growing in xeric conditions are xerophytes. Xeric habitats may be of following types: (i) Habitats physically dry; where water retaining capacity of the soil is very low and [...]
In this we will discuss about:- 1. Introduction to Productivity in Ecosystem 2. Concepts of Productivity 3. Environmental Factors. Introduction to Productivity in Ecosystem: The rate of biomass production is called productivity. The portion of fixed energy, a trophic level passes on to the next trophic level is called production. Productivity in ecosystems is of two kinds, i.e., primary and [...]