Introduction to ecosystem, Biology

Assignment Help:

The terms ecosystem was introduction by Sir Arthur tensely in 1935. An ecosystem can be defined s "a structural and function unit of biosphere consisting of living organisms and their physical environment, both interacting and exchanging the materials between them". In other words," an ecosystem is an area that contains organisms For example Plants, animals, bacteria and human beings etc. which are interaction with one another and with their non- living environment". An ecosystem may be big or small, natural or manmade, eg.:

(i)         Micro organism such as bacterial limited to few mm2 or cm2 areas (Natural).

(ii)        Desert ecosystem may exist in hundreds of Km2 area (Natural).

(iii)       Crop field , aquarium (Man made).

 

 


Related Discussions:- Introduction to ecosystem

Explain why this drug would eventualy kill a person, Dinitrophenol, DNP, wa...

Dinitrophenol, DNP, was prescribed in low doses in the 1940's to help obese patients lose weight. It's use for this purpose was discontinued when several users died. DNP makes the

Explain galactose metabolism, Galactose Metabolism Galactose  goes to t...

Galactose Metabolism Galactose  goes to the liver via portal blood and is phosphorylated by galactokinase togalactose-  1  -phosphate (GIP) using ATP as  a phosphate donor as s

Explain cell cycle, Q. What is the cell cycle? The Cell cycle, or mitot...

Q. What is the cell cycle? The Cell cycle, or mitotic cycle, is the time period that begins when the cell is finishes and created when it is divided by mitosis creating two dau

Ammonia assimilation, Ammonia Assimilation - Inorganic Nitrogen and Sulphur...

Ammonia Assimilation - Inorganic Nitrogen and Sulphur Metabolism Nitrogen (N 2 ) gas and NO 3 are the most common available forms of inorganic nitrogen. Both are enzymaticall

Consumers-biotic components , Consumers Heterotrophs (other nourishing...

Consumers Heterotrophs (other nourishing) are incapable of photosynthesis and depend on organic food derived from animals, plants or both. Consumers can be divided into two br

What is mefloquine, What is Mefloquine Mefloquine is taken once weekly,...

What is Mefloquine Mefloquine is taken once weekly, but recent reports of serious psychiatric adverse effects have prompted the manufacturer, along with the FDA, to strengthen

What is the molecular formula of glucose, What is the molecular formula of ...

What is the molecular formula of glucose? How can its structural formula be described? The molecular formula of glucose is C6H12O6. Structurally glucose is a hexagonal ring

What is the etiological agent of cutaneous leishmaniasis, What is the etiol...

What is the etiological agent of cutaneous leishmaniasis? How is the disease transmitted and what are its typical manifestations? The etiological agent of cutaneous leishmanias

Define nutritive aspects of food constituents, Define Nutritive aspects of ...

Define Nutritive aspects of food constituents and effect of processing and handling? Nutrient stability; effects on nutrients of agricultural practices, handling, processing an

What are coacervates, What are coacervates what property do they have that ...

What are coacervates what property do they have that suggests they could be a primitive cell.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd