Examlex
Desmids are members of the Ulvophyceae with cells consisting of two sections joined by an isthmus.
Rich Countries
Nations characterized by a high level of economic productivity, wealth, and standard of living for their citizens.
United States
A country located primarily in North America, comprising 50 states, a federal district, five major self-governing territories, and various possessions.
Population
The total number of people or inhabitants in a specified area or country.
65 Years Old
A common age of retirement in many societies, also considered the beginning of senior citizen or elderly status.
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