Which of the following is decreasing order of NPP per unit area of different ecosystem?

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#Question id: 5027

#11. Evolution and Behavior

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.

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#Question id: 308

#1. Molecules and their Interaction Relevant to Biology

The vapor pressure of o-nitrophenol at any given temperature is predicted to be______

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#Question id: 548

#1. Molecules and their Interaction Relevant to Biology

Which one of the following statements is true of enzyme catalysts?

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#Question id: 24110

#Aptitude

Her fashion sense was usually described as flamboyant, but on the night of the party, Tanya’s outfit was uncharacteristically modest.

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#Question id: 3454

#11. Evolution and Behavior

Altruism is favoured when rb - c > 0 where c is fitness cost to altruist, b is fitness benefit to recipient; and r is genetic relatedness. It is under negative selection when