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प्रश्न
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.
Write the food chain comprising all the organisms mentioned above.
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उत्तर
Phytoplankton→ Larvae→ Fish→ Birds
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संबंधित प्रश्न
Which of the following are always at the second tropic level of food chains?
List two main components of ecosystem?
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.
Give one example of a simple food chain.
Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.
In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :
(a) insect
(b) snake
(c) frog
(d) grass
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
What is ten per cent law? Explain with an example.
What does garbage consist of?
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
What are decomposers? What will be the consequence if the decomposers are completely eradicated from an ecosystem? Give justification in support of your answer.
Which of the following is a logical sequence of 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:
Analogy:
Primary Consumer: Goat, Cow:: Secondary Consumer: ______.
Define – Heterotrophs.
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
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
