A pseudounipolar neuron is a sensory neuron in the peripheralnervous system that contains a long dendrite and a short axon. The cell body of the pseudounipolar neuron is located within a dorsal root ganglion. The difference with the bipolar neuron is that the bipolar has two extensions.
A microscope is an instrument which makes an object appear bigger than it is. It took the invention of this relatively simple tool to lead to the discovery of cells<span>. In the 1660s, Robert Hooke began using microscopes to look at all sorts of materials. Anton van Leeuwenhoek took up similar work in the 1670s.</span>
Depends on the beetle, but I would most likely say plants.