Patterns of Biodiversity

Which one of the following is not a major characteristic feature of biodiversity hot spots?

Study the graph given below:

As per Alexander von Humboldt, what do the symbols S, A, Z and C in the graph stand for, in respect of a species and area relationship?

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

Which of the following hypothesis suggests that ecosystems are like aeroplanes where flight safety (ecosystem functioning) may or may not be compromised, depending upon which species are being lost?

Write the inference drawn by Alexander von Humboldt after his extensive explorations of South American jungle.

The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.

Give three hypotheses for explaining why tropics show greatest levels of species richness.

The species-area relationship is represented on a log scale as ______.