Why is it important to study evolution and from where organisms have originated

1. it is important to study evolution in order to solve biological problems that impact our lives.

2. it is also important to study evolution in order to  stay one step ahead of pathogenic diseases and able to find solutions to it

Researchers must understand the evolutionary patterns of disease-causing organisms.

It is noted that all life on Earth evolved from a single-celled organism that lived roughly 3.5 billion years ago.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

i think the answer is a.keratin is the pigment responsible for skin color.