The science of classifying living things is called taxonomy. Linnaeus introduced the classification system that forms the basis of modern classification. Taxa in the Linnaean system include the kingdom, phylum, class, order, family, genus, and species. Linnaeus also developed binomial nomenclature for naming species.
There are seven quintillion five quadrillion grains of sand on all the beaches of the world. The exact number is not known.
Perennial plants are plants that have a live cycle of more than two years or can live for more than two years while annual crops are crop that only last for one years and are replanted every year. Perennial plants are mostly trees while annual plants are mostly crops.
<em>Hope</em><em> this</em><em> answer</em><em> correct</em><em> </em><em>:</em><em>)</em>
