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Trophic Levels

Organisms whi...

Question

Organisms which are associated with first as well as third trophic level are.

A

Macrophytes

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B

Phytoplanktons

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C

Chemoautotrophs

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D

Insectivorous plants

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Solution

The correct option is D Insectivorous plants
Trophic level is a functional level. A single species may occupy more than one trophic level. Insectivorous plants are producers, occupying first trophic level. They also eat insects and thus, occupy third trophic level also.

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Similar questions

Q. A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.

Q. (a) Which of the following belong to the same trophic level?
Grass, Hawk, Rabbit, Frog, Deer
Give reason for your choice.
(b) What is the difference between the food habits of organisms belonging to the first and third trophic levels. Give one example each of the organisms belonging to first and third trophic levels.

Q. Match column I (the trophic levels in the grassland ecosystem) with column II (examples of organisms) and select the correct option.

Column - I	Column - II
a) Fourth trophic level	i) Fox
b) Second trophic level	ii) Tiger
c) First trophic level	iii) Deer
d) Third trophic level	(iv) Grass

Q. How many of the following statements are incorrect?

(a) The consumers that feed on the herbivores can be called as primary carnivores

(b) The DFC begins with autotrophs

(c) GFC begins with dead organic matter

(d) Green plants occupy the first trophic level in an ecosystem

Q. 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.

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