What are ecological factors? Differentiate between direct and indirect factors.

What are Mendelian Factors?

What are edaphic factors?

What is the difference between direct and indirect development?

What are ecological factors? Name the most important one?

Negative interactions among populations include parasitism also. Define parasitism. What are its types? Differentiate between ectoparasites and endoparasities.

Differentiate direct gene transfer and indirect gene transfer.

What is eutrophication? Differentiate between natural and accelerated eutrophication.