Define species diversity.

Assertion : Predators maintain species diversity. Reason : Predators reduce the intensity of competition among competing prey species.

Write about the three indices of species diversity.

the species diversity of plant on earth will be

Which of the following group exhibit more species diversity

Stability of a community depends upon its species diversity' Justify the statement.

Assertion : Exotic species are introduction unintention or deliberately. Reason: They are introduced to add to the species diversity of the local population.

The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?

(i) Mass extinction takes place because of human activities. (ii) Hotspots have very poor species diversity. (iii) Co-extinction is mutual relationship between two organisms. (iv) The African Apple Snail is an invasive species spotted in Andaman for the first time.

India constitues______percent of the world's land area and contributes______percent of the global species diversity. (a) 1.0, 5.5 (b) 5.5, 1.0 (c) 8.1, 2.4 (d) 2.4, 8.1