Animal waste decay by the action of bacteria which create and products rich in nitrogen, and useful for plants to use again.

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Mutations associated with albinism affect proteins involved in synthesis

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel