Taxonomy based on number of shared characteristics of various organisms is called

The visible characteristics of an organism is called-

Taxonomy based on chromosomal number & characteristics is called …………………

Spread of cancerous tumour to various body organs is called __ .

An atom or a group of atoms which is responsible for chemical characteristics of an organic compound is called _________ .

Describe various characteristics of solids.

Taxonomially, known number of species is-