If a sign on thew zoo reads "western lowland gorilla: gorilla gorilla”, these names represent something in scientific taxonomy. The term “western gorilla” is the common or English name of the organism. While gorilla gorilla is the scientific name, indicating the first term as the genus name (gorilla) and the second as the species name (gorilla).
I think it is Phytoplankton.
An economy is a method of allocating capital to meet the needs and desires of individuals. It sets out how goods and services are produced and exchanged. The economics study is called economics and an individual who studies economics is called an economist.
First one is static
Second one is round
Third one is flat
Last one is dynamic