The answers are a, igneous, and b, sedimentary. Hope this helped!
they are caused by mutation. the best example of it are human blood groups.
During the lifecycle of the plant we can encounter both haploid and diploid forms.
Haploid form of the plant is called a gametophyte. This form was created from spore and enables creation of haploid gametes in the next stage.
yes, coral polyps are a keystone species. it would be a keystone species because it is important in order for the coral to thrive.
Answer:
parasympathetic nervous system