Why are there so many types of species in our planet

Scientists assumed that, the longer time a group of organisms has to evolve, the more species there will be in that group. New research suggests this isn’t necessarily so.

Daniel Rabosky at the University of Michigan and colleagues have been exploring an underlying and very profound question about biodiversity, the variety of life in our world. That is, why are some groups of organisms so much more diverse than others? This question is sometimes spoken about as nature’s inordinate fondness for some creatures, a turn of phrase attributed to the geneticist and evolutionary biologist J.B.S. Haldane. Haldane wrote in his 1949 book What is Life?:

hope this will help u

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

b is the correct answer