4. What about each person's chromosomes make them unique?

The DNA in each persons chromosomes makes them unique

Explanation: Representing segments of the genome that have been passed down from generation to generation, occasionally being shuffled amongst chromosome pairs. This shuffling has helped drive evolution through time, and ultimately has helped write your genome and the story of you.

c. movement because i took the test and it lets me review my answers

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.