If a species is a keystone predator, then its removal from a community should

(A) Increase population size of the predator’s preferred prey

(B) decrease species diversity in the prey community

(C) decrease productivity of the predator’s preferred prey

(D) increase species diversity in the prey community

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#Question id: 23321

#General Aptitude

Which one of the following research methods, have the similarity in nature when compared in relation to sample, control and validity of inferences?

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#Question id: 19471

#Unit 12. Applied Biology

The gene gox has been expressed in plants in combination with which other bacterium gene

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#Question id: 11539

#Unit 7. System Physiology – Animal

Aspirin and ibuprofen both ________.

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#Question id: 11098

#Unit 7. System Physiology – Animal

If the inspiratory reserve volume is 3000 mL, the tidal volume is 500 mL, the expiratory reserve volume is 1000 mL, and the residual volume is 1000 mL, what is the vital capacity?

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#Question id: 11484

#Unit 7. System Physiology – Animal

Two students studying physiology taste a known "bitter" substance, and both report sensing bitterness. They then sample another substance. Student A reports sensing both a bitter taste and a salty taste, but student B reports only a salty taste. What is the most logical explanation?