Animals are classified into hierarchical group, in which one of the following the largest number of species is found

Animals are classified into hierarchical groups. In which one of the following, the largest number of species is found ?

Animals are classified into hierarchical group. In which one of the following, the largest number of species are found?

Which of the following biome has largest number of species ?

Which of the following biome has largest number of species ?

Which of the following Phyla has largest number of species ?

Which of the following biome has largest number of species ?

Which to the following is the largest animal ?