The constraint or budget line, in the diagram below, represents the possible levels of consumption in the two periods given the individual's level of present income, future expected income and the prevailing interest rate 'r'.
Wasp, common name applied to most species of hymenopteran insects, except bees and ants. Insects known as wasps include the sawflies, the parasitic wasps, and the stinging wasps, which are the best known. About 75,000 species of wasps are known, most of them parasitic. Characteristics.
A honey bee (or honeybee), in contrast with the stingless honey bee, is any bee that is a member of the genus Apis, primarily distinguished by the production and storage of honey and the construction of perennial, colonial nests from wax.Honey bees are the only extant members of the tribe Apini, all in the genus Apis.Currently, only seven species of honey bee are recognized, with a total of 44 subspecies, though historically, from six to eleven species have been recognized.f all the honey bee species, only A. mellifera has been used extensively for commercial pollination of crops and other plants. The value of these pollination services is commonly measured in the billions of dollars.