Advertisements
Advertisements
Question
Name one decomposer.
Solution
Bacteria are decomposers.
APPEARS IN
RELATED QUESTIONS
List two biotic components of a biosphere.
What will happen if we kill all the organisms in one trophic level?
What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.
What is the difference between the food habits of organisms belonging to the first and the third trophic levels? Give one example each of the organisms belonging to these two trophic levels.
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
The sea water contains water beetles, tadpole, fish and weeds.
Which organisms can trap solar energy to make food?
Match the terms given in column I with the terms given in column II and column III having the same meaning :
Column I | Column II | Column III |
(1) Secondary consumer | Herbivore | 1st trophic level |
(2) Primary consume | Autotroph | 3rd trophic level |
(3) Producer | Carnivore | 4th trophic level |
(4) Tertiary consumer | Large carnivore | 2nd trophic level |
In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?
The harmful chemical which is accumulating in human beings through food chain is :
(a) benzenehexachloride
(b) dichlorodiphenyltrichloroethane
(c) chlorofluorocarbon
(d) abscisic acid
Food chains are very important for the survival of most species.
Matter and energy are two fundamental inputs of an ecosystem. Movement of: