EASY
Earn 100

Which of the following organisms release most energy in the form of heat from respiration?

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Important Questions on Energy

MEDIUM
Can the organisms of any trophic level be removed without causing any damage to the ecosystem? Will the impact of removing all the organisms in a trophic level be different for different trophic levels?
MEDIUM
Make a pyramid of number and show different trophic levels of it.
EASY
What do you understand by a trophic level?
EASY
Which of the following belong to the same trophic level?
Tree; Frog; Snake; Grass; Lizard.
EASY

Give a scientific term for the following statement.

A position in the food chain.

EASY
What are the various steps of a food chain called?
EASY
What are the various steps of food chain called?
MEDIUM
Why is the pyramid of energy always upright? Explain.
MEDIUM
 A position in a food chain is called a _____.
MEDIUM
Food chains usually do not have more than four trophic levels. Why?
EASY
Which of the following belong to the same trophic level?
Goat; Spider; Plants; Hawk; Rat.
MEDIUM
The top _____(herbivore, producer, carnivore) is not killed and eaten by other animals of the ecosystem.
MEDIUM
(A) Define trophic level. Draw the food chain with four trophic levels.
(B) What will happen if we kill all the organisms in one trophic level?
MEDIUM
What will happen if all the organisms at a trophic level die?
MEDIUM
Differentiate among primary, secondary and tertiary consumers.
MEDIUM
“It is often said that the pyramid of energy is always upright. On the other hand, the pyramid of biomass can be both upright and inverted". Explain with the help of examples and sketches.
EASY
In a food chain, each position is known as a _____ level.
MEDIUM
Producers are important but flesh eaters can be killed without harming the ecosystem.
MEDIUM
At which trophic level a person is feeding when he is eating:
(a) roasted chicken
(b) bread
(c) eggs
(d) apple
(e) fish