Please I have this exam that will determine this year please someone answer as fast as possible

What is the next step in muscle contraction after the actin changes shape? (apex)

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.

Which organism can most likely be classifild as domain bateria