Ascientist is trying to determine how closely related a moth species is to four other moth species. he examined the dna of each species and compared it to the study subject. he then created this table. species # of genetic differences species a 12 species b 3 species c 14 species d 28 which species is most closely related to the original moth species? a)species a b)species b c)species c d)species d

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

List five ways we are indebted to phytoplankton