Bees are essential pollinators in the garden. Having ground-nesting wasps and mining bees in your garden is beneficial: they're predators to harmful garden pests, pollinate your plants and their underground burrows aerate the soil.
The areas of the tongue sensitive to tastes. The classical theory about the physiology of taste recognizes the existence of four fundamental tastes - sweet, salty, sour and bitter - each being perceived by specific areas of the tongue by means of gustatory receptors, also known as taste buds.
But the five tastes are just the basis of flavor. Smell plays an even larger role in the overall sensation of taste. There appears to be more than a thousand types of scent receptors that take the five primary taste receptors and greatly varies the flavors we can discern.