When lichens grow on bare rock, they may eventually accumulate enough organic material around them to supply the foothold for later rooted vegetation. These early pioneering lichens can be said to do what to the later arrivals?

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#Question id: 18073

#11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

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#Question id: 24106

#Aptitude

The baseball player’s malice toward the referee was revealed in his spiteful remarks to the media, which almost ruined the referee’s career.

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#Question id: 19481

#12. Applied Biology

In cry toxin at amino acid at which position is not conserved

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#Question id: 2939

#2. Cellular Organization

Failure of which cell-cycle checkpoint is most likely to result in non-dysjunction?

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#Question id: 11670

#7. System Physiology – Animal

A primary reason that the kidneys have one of the highest metabolic rates of all body organs is that ________.