The changing appearance of the Moon during the lunar cycle is a result of changes in -the amount of light the Moon emits.
the shadows Earth casts on the Moon.
the amount of sunlight that hits the Moon’s surface.
relative positions of Earth, the Moon and the Sun.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

b is the correct answer