Which of the following will ease the friction between the ends of bones in a movable joint? Posted on:
In an experiment to study the rate of water loss in plants, leaves of a potted plant were treated as follows: Posted on:
Which of the following represents the correct sequence, from the most complex of organisations? Posted on:
Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of Posted on:
In natural selection, Darwin proposed that evolution occurred because of the following conditions except Posted on: