Environmental Science
MAB stands for

Mayer, Anderson and Bisby
Man and biosphere
Man and biotic community
Man, antibiotics and bacteria

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Environmental Science
Which of the following regarding ecological pyramids is not correct?

In tree dominated ecosystem the pyramid of numbers is inverted
The pyramid of energy expresses mainly the rate of food production
In deep water ecosystem, the pyramid of biomass is upright
In most ecosystems, the pyramid of numbers and biomass are up right
The total energy flow at successive tropical level always decreases

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