Which of the following are the phylum which is the largest (A) and second largest group (B)?

Options

A. A=Insects, B=Molluscs
B. A = Molluscs, B = Insects
C. A = Insects, B = Annelids
D. A = Molluscs, B = Annelids

Answer

A

Explanation

Among all the species in the world, approximately `70%` are animals and `22%` are plants. In animals, insects account for `70%-80%`, which is the maximum (represented as A). According to IUCN (2009) there are 10, 25,000 species of insercts and 70,000 species of molluscs (represented as B).