The branch of Science which deals cultivation of land is called________?

Diversity of animals and crop species in different ecosystems is called as________?

A chemical or secretions which are thrown outside the body for transmitting message to the individual of same species is________?

Organisms which feeds on dead and decaying organisms are called as________?

Continuous variation are attrions are attributed to________?

The genetic constitution of an orgarusm is denoted by________?