Ecotones are the<u> transitional zones between two ecosystem.</u>
Explanation:
Ecotones is a narrow zone between two different ecosystem.
It may be defined as the transition zone between these two ecosystem. Ecotones are species rich and it's resources are used by inhabitants of both the ecosystem.
Ecotones are marked by sharp changes in vegetation and species population.
The ecotones arise due the drastic changes in the environmental condition of a place that creates a sharp boundary between it and adjacent area.
However, these changes blend somewhere in between these area and results in formation of ecotones.
Example of ecotones can be the mangroves. These lie between marine ecosystem and terrestrial ecosystem.
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The red blood cells would look just fine or normal in the person who has drowned. Water wouldn't be lost because it wouldn't be attracted to the concentration of the salt water and the salt water would be too large to break the barriers.
DNA or deoxyribonucleic acid is the molecule in living organisms wherein the genetic code or <em>genes</em> is stored. The structural conformation of DNA in the nucleus of the cells is called <em>chromatin </em><em />and in cell division, chromatin is grouped into a certain number (46, in humans, for instance) called <em>chromosomes.
</em>DNA provides instructions for hereditary such that a part of DNA is transcribed into messenger RNA or mRNA for the genetic code to be transported outside the nucleus. The mRNA is then translated into polypeptides to form proteins that form specific functions in the human body.<em>
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