The presence of tigers in the forest is an indicator of the well being of an ecosystem.
Q1. Consider the following statements.
i) An Indicator species is a species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system.
ii) A Keystone species is a species whose presence, absence, or relative well-being in a given environment is a sign of the overall health of its ecosystem.
Which of the above statements is/are correct?