An ecosystem must have continuous external source of
A) minerals
B) energy
C) food
D) All of the above
Correct Answer:
Verified
Q3: Synecology deals with
A)Ecology of many species
B)Ecology of
Q4: Ecotype is a type of species in
Q5: The term 'Biocoenosis' was proposed by
A)Transley
B)Carl Mobius
C)Warming
D)None
Q6: The pyramid of energy in any ecosystem
Q7: Energy flow in ecosystem is
A)Unidirectional
B)Bidirectional
C)Multidirectional
D)None of the
Q9: Trophic levels are formed by
A)Only plants
B)only animals
C)Only
Q10: Biotic potential is counteracted by
A)Competition with other
Q11: Definition of ecosystem is
A)The community of organisms
Q12: In a food chain of grassland ecosystem
Q13: MAB stands for
A)Man and biosphere
B)Man, antibiotics and
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