Definition of ecosystem is
A) The community of organisms together with the environment in which they live
B) The abiotic component of a habitat
C) The part of the earth and its atmosphere which inhibits living organisms
D) A community of organisms interacting with one another
Correct Answer:
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Q6: The pyramid of energy in any ecosystem
Q7: Energy flow in ecosystem is
A)Unidirectional
B)Bidirectional
C)Multidirectional
D)None of the
Q8: An ecosystem must have continuous external source
Q9: Trophic levels are formed by
A)Only plants
B)only animals
C)Only
Q10: Biotic potential is counteracted by
A)Competition with other
Q12: In a food chain of grassland ecosystem
Q13: MAB stands for
A)Man and biosphere
B)Man, antibiotics and
Q14: Species that occur in different geographical regions
Q15: Which one is true?
A)symbiosis when neither population
Q16: A high density of elephant population in
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