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प्रश्न
List two main components of ecosystem?
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उत्तर
Following are the components of environment:-
(a) Biotic component
(b) Abiotic component
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संबंधित प्रश्न
Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects
Construct a long food chain.
Write one or two word for the following statement/definition :
Each level of food chain where transfer of energy takes place
The sea water contains water beetles, tadpole, fish and weeds.
Write a food chain comprising all the given organisms.
The following is a food chain that ends with human :
plants → bee → human
Explain how plants provide food for bees.
An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.
(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?
Which of the following is an autotroph?
______ are organisms that are able to produce their own organic food.
Which group of organisms are not constituents of a food chain?
- Grass, lion, rabbit, wolf
- Plankton, man, fish, grasshopper
- Wolf, grass, snake, tiger
- Frog, snake, eagle, grass, grasshopper
