Among the classes of invertebrates that represent global biodiversity, which are the most abundant?

Which of the following has maximum genetic diversity in India?

How many species of Amphibians are present in the Amazonian rain forest in South America?

The number and types of organisms present on Earth constitute ...... .

How many countries pledged their commitment to achieve a reduced rate of biodiversity loss by $2010$ in the World Summit on Sustainable Development held in $2002$ in Johannesburg,South Africa?

Define/Explain: Endemic species.