WILL GIVE 20 POINTS Different types of mutations can occur in DNA. If a strand of DNA GACTAGCAC becomes GACTAAGCAC what type of mutation has occurred?

A. a silent mutation results in the insertion of a different amino acid.

B. a substitution occurs with the adenine bases.

C. a deletion of a cytosine base occurs.

D. a base is inserted into one strand of the DNA.

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells