Which of the following is a unit of net productivity?

Which of the following has maximum numbers, if plants, grasshopper, birds, and lion are the components of an ecosystem?

The amount of biomass product per unit area over a time period by plants  during photosynthesis is called</h…

What kind of pyramid is represented by the given figure?</h2><div class="Question_backgroundImg__6PgwQ&quo…

Write true or false for the following statement:<br> 15% can be taken as the average value for the amount of organ…

Write true or false for the following statement:<br> In any food chain, an average of 10% of the food eaten in tur…

Match column I with column II and select the correct option from the given codes.<table class="wysiwyg-table&quo…

Which of the following is not a primary coloniser?</h2></div>