How did it become scarce over the years?

You imagine any other example in which such a tiny structure can produce such a large biomass over the years?

How did these disturbances affect the environment?

In a village three different crops are cultivated in four successive years. The profit (in rupees) on the crops, per acre is shown in the table below. i) Calculate the mean profit for each crop over the 4 years. ii) Based on your answers, which crop should be cultivated in the next year?

In a village three different crops are cultivated in four successive years. The profit (in rupees) on the crops, per acre is shown in the table below- (i) Calculate the mean profit for each crop over the 4 years. (ii) Based on your answers, which crop should be cultivated in the next year?

How did the two gases travel along the tube ?

Try to answer these questions after your observation of frog life cycle. How many days did it take for the eggs to hatch?

How did Augustus Weisemann disprove the theory of Inheritance of acquired character proposed by Lamarck ?

Fill up the following table of functions of phytohormones. ii) How did phytohormones control the various activities?

If water resource becomes scarce, will it affect the nature of soil in an area ?