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When the two ecosystems overlap each other, the area is called

Habitat
Niche
Ecotone
Ecotype
Additional Questions

The tiny free-swimming animals on the surface of water constitute

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Organisms which break down detritus into matter particles

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Gradual and predictable changes in the species composition of a given area is

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The biomass available for consumption by the herbivores and the decomposers is called

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Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

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The species, though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as

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Acacia arabica is

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The ecological pyramid which can be inverted in a tree eco-system is

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Consider the following statements concerning food chains:
(a) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation
(b) Removal of most of the carnivores resulted in an increased population of deer
(c) The length of food chains is generally limited to 3 - 4 trophic levels due to energy loss.
(d) The length of food chains may vary from 2 to 8 trophic levels.Which two of the above statements are correct?

Answer

The remains of the dead plants and animals is called

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