The workers of the temperate regions are more hard-working than those of tropical regions.

Q. Which of the following statements is/are true?

I. Temperate regions have more species diversification than tropical regions
II. Tropical environments have more species diversity than temperate regions
III. Niche specialisation is observed more in temperate regions
IV. Higher productivity is seen in tropical regions

Q. Assertion: Tropical regions show more biodiversity than temperate regions.
Reason: Tropical regions have favourable conditions for growth throughout the year.

Q. Temperate regions receive more sunshine than tropical regions. Whether the given statement is true or not?

Q. How many of the following statements is/are not true?
(i) Species diversity increases as we move from the poles towards the equator.
(ii) The tropical regions have been subjected to frequent episodes of glaciations in the past.
(iii) The seasonal changes in the tropical regions are less as compared to the temperate regions.
(iv) The photosynthetic productivity of the tropics is more than that of the temperate regions.

Q. There is greater biodiversity in tropical /subtropical regions than in temperate regions. Explain.