Which if these statements is true with respect to the characteristics of mutations a. they are always harmful but never beneficial or neutral. b. they can be harmful, beneficial, or neutral. c. they are always beneficial but never harmful or neutral.

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

Wich organism obtains its energy from dead or decaying matter

Explain the significance of thesaurus geographicus