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प्रश्न
What are trophic level?
Define trophic level.
उत्तर
The various steps in a food chain at which the transfer of food and energy takes place are known as trophic levels.
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संबंधित प्रश्न
What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain if the energy available at the first trophic level is 10,000 joules?
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
In the following food chain, plants provide 500 J of energy to rats. How much energy will be available to hawks from snakes?
Plants → Rats → Snakes → Hawks
The following statement is true or false :
In biology, human beings are called producers.
The following statement is true or false :
Secondary consumers and tertiary consumers, both are carnivores.
In a food chain, the initial organism is usually :
(a) photosynthetic
(b) herbivore
(c) saprophytic
(d) parasitic
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name one phytoplankton.
'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term damage to mankind'. Justify this statement.
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
Analogy:
Primary Consumer: Goat, Cow:: Secondary Consumer: ______.
