Classify the hypotheses about the dwarf planet Pluto as falsifiable or non-falsifiable.
1) Pluto's surface is made
mostly of frozen
nitrogen.

2) Pluto has an unpleasant
climate.

3) Pluto's orbit is slowing down
due to tidal friction.

4) Pluto's landscape is dull and
boring compared to other
dwarf planets in its vicinity.

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 hormone is used by both males and female?

What is the next step in muscle contraction after the actin changes shape