Which one of the following is not a functional unit of an ecosystem?
Productivity
Stratification
Energy flow
Decomposition
In a food chain, the total amount of living material is depicted by
Noosphere relates to an environment dominated by
About how much water is recycled in the form of rains per year
Which of the following phenomena does not play a significant role in the maintenance of homeostasis in an ecosystem?
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as ? How do the microbes fulfil their energy requirements ?