How does a salamander regenerate its limbs? (90points! ) also this is a very easy question and is not a test question its just a question. a. growing limbs back using hormones. b. growing limbs back using tissue memory. c. growing back limbs plainly. d. growing a limb that was there previously.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.