Offspring of the same set of parents contain variation due to

your

crossing-over during mitosis

crossing-over during meiosis

the number of gametes

genetic mutation of a parent's somatic cells

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

The smallest biological units that can evolve are