What is biological weathering?

What is chemical weathering?

What is biological diversity?

What is biological control? What are advantages of adapting biological control as a method of controlling plant diseases and pest.

What is biological magnification?What are its effects?

What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?

What is the biological significance of Azolla pinnata in agriculture ?

What is biological significance of Azolla pinnata in agriculture?

What are biological sciences? Give their examples.