How is genetic variation beneficial to a population ?

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

In a cladogram' when does a group of organisms branch off

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups