Most developed world countries have accepted the chronological age of 65 years as a definition of 'elderly' or older person, but like many westernized concepts, this does not adapt well to the situation in Africa.
Binomial Nomenclature. The present system of binomial nomenclature identifies each species by a scientific name of two words, Latin in form and usually derived from Greek or Latin roots.The first name (capitalized) is the genus of the organism, the second (not capitalized) is its species.inomial Nomenclature. The present system of binomial nomenclature identifies each species by a scientific name of two words, Latin in form and usually derived from Greek or Latin roots.
The scientific names consists of two terms, the genus name and the species name. The genus name always starts with a capital letter and the species name always starts with a small letter. This process of naming organisms scientifically is known as 'taxonomy'.Assigning scientific names to organism was first developed by a Swedish scientist 'Carlous Linnaeus'.he genus name always starts with a capital letter and the species name always starts with a small letter. This process of naming organisms scientifically is known as 'taxonomy'. Assigning scientific names to organism was first developed by a Swedish scientist 'Carlous Linnaeus'.