Answer:
D
Explanation:
because cell are not pre existing
Answer:
B
Explanation:
Valleys are created by streams of running water
I believe the termites and flagellates have a mutualistic relationship
Genetic Change in Viruses. Viruses are continuously changing as a result of genetic selection. They undergo subtle genetic changes through mutation and major genetic changes through recombination. Mutation occurs when an error is incorporated in the viral genome
