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प्रश्न
Fill in the following blank with suitable word :
Plants → Antelope → ............
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उत्तर
Plants → Antelope → Lion
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संबंधित प्रश्न
List two biotic components of a biosphere.
A food chain represents a unidirectional flow of X. What is X?
Draw the food chain with four trophic levels.
Write down a food chain which ends with humans.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the ______.
The following is a food chain that ends with human :
How does this food chain differ form a usual food chain involving human such as : plants → goat → human?
Fill in the following blank with suitable word :
Pesticides enter the food chain at the ...........level
With the help of a food chain, explain how biological magnification of harmful chemicals can occur.
Consider the following food chain
(i) Plants → Mice → Snakes → Hawks
(ii) Plants → Mice →Hawks
If energy available at the producer level in both the food chains is 100 J, in which case will hawks get more energy as food and by how much? Justify your answer.:
Explain why, a food chain usually cannot have more than three or four steps.
In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock
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.
Which other organism you could write in place of bird in the above food chain?
Food chains are very important for the survival of most species.
Matter and energy are two fundamental inputs of an ecosystem. Movement of:
The food chain begins with the energy given by the ______.
Each level in the food chain is called a ______ level.
Differentiate between herbivores and carnivores.
In the following food chain, only 2J of energy was available to the peacocks. How much energy would have been present in Grass? Justify your answer.
GRASS → GRASS HOPPER → FROG → SNAKE → PEACOCK
If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.
