Question:

Ecotone is

Updated On: Jul 6, 2022
  • a polluted area
  • the bottom of a lake
  • a zone of transition between two communities
  • a zone of developing community
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The Correct Option is C

Solution and Explanation

The adjacent biotic communities do not always have sharp lines of demarcation between them. There are usually transition zones, the ecotones, between them. An ecotone often has some populations from each adjacent community and some characteristic of itself. The total number of species in ecotone is generally greater than in the adjoining communities, a phenomenon called edge effect.
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Notes on organisms and populations

Concepts Used:

Organisms and Populations

Organisms:

An attached living system that lives in an environment is commonly known as an organism. These organisms are able to retain certain behaviors and structures. Some examples of organisms are plants, animals, bacteria, fungi, and humans. A group of these organisms leads to the formation of a population. The collection of the population forms a community that assists in the operation of ecosystems. 

Each and every organism has the ability to adapt itself to various conditions of the environment. This capacity of organisms is due to their genetic variations. It is due to this only that their probability of survival get increases. For instance, camels adapt themselves to survive in desert areas and polar bears adapt to the extreme cold conditions or situations through their dense fur coat.

Populations:

A collection of organisms or individuals of a species that live, at a specific time, in a geographical area that is well-defined and capable of interbreeding is described as a population.

Read More: Organisms and Populations