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In a food chain, the third trophic level is always occupied by
(a) carnivores
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Organisms of a higher trophic level which feed on several types of organisms belonging to a lower trophic level constitute the
(a) food web
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Will the impact of removing all the organisms in a trophic level be different for different trophic levels?
Yes, the impact of removing all organisms in a trophic level will be different for different trophic levels. If all the producers are killed, it will cause death or migration...
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Will the impact of removing all the organisms in a trophic level be different for different trophic levels?.
Removal of all the organisms in a trophic level will cause the same type of disturbance in an ecosystem, i.e., killing of higher trophic level and explosion in population of...
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The first trophic level in a food chain is always a green plant. why?
The first trophic level is always a green plant because only plants can utilise the radiant energy of the sun and transform it to chemical form during photosynthesis.
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Which of the following are always at the second trophic level of food chains? Carnivores, Autotrophs, Herbivores
Herbivores are always on the second trophic level of food chains.
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"Energy flow in food chains is always unidirectional."
In a food chain the energy moves progressively through the various trophic levels and is no longer available to the organisms of the previous trophic level. The energy captured by...
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Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
Potato chips are tasty but they are not very nutritious. Boiled vegetables are very nutritious but they may not be tasty.
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Examine the following statements : 1. All animals are carnivorous. 2. Some animals are not carnivorous. 3. Animals are not carnivorous.
(a) Statements 1 and 3 contradict each-other, hence both statements cannot be true together. But there is a situation where in both statements are false that is if some of...
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Consider the following assumptions: 1. The food chains/food web in an ecosystem are influenced by keystone species.
(c) Assumption 1 is correct as disappearance of 28 species along with mussels. Assumption 3 is also correct according to the passage.
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