Environmental Science
Which of the following statement is incorrect regarding ecological pyramids

The pyramid of numbers is upright in grass land ecosystem
The pyramid of biomass is upright in grass land ecosystem
The pyramid of biomass is inverted in aquatic ecosystem
The pyramid of energy is inverted in ocean ecosystem

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Environmental Science
Which of the following statements regarding species interdependence are true? A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis

B and D only
A and B only
A and C only
C and D only
B and C only

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