Multiple choice

Which one has a real existence?

  1. Phylum

  2. Class

  3. Genus

  4. Species
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A species (abbreviated sp., with the plural form species abbreviated spp.) is one of the basic units of biological classification and a taxonomic rank. A species is often defined as the largest group of organisms capable of interbreeding and producing fertile offspring.

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