Biology · Textbook solutions

Biodiversity and Conservation

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 10 questions

Exercises

10 q

Ex 13 Q1 $Name the three important components of biodiversity.$
Ex 13 Q2 $How do ecologists estimate the total number of species present in the world?$
Ex 13 Q3 $Give three hypotheses for explaining why tropics show greatest levels of species richness.$
Ex 13 Q4 $What is the significance of the slope of regression in a species - area relationship?$
Ex 13 Q5 $What are the major causes of species losses in a geographical region?$
Ex 13 Q6 $How is biodiversity important for ecosystem functioning?$
Ex 13 Q7 $What are sacred groves? What is their role in conservation?$
Ex 13 Q8 $Among the ecosystem services are control of floods and soil erosion. How is this achieved by the biotic components of the ecosystem?$
Ex 13 Q9 $The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?$
Ex 13 Q10 $Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?$