Aresearcher is studying mutation in bacteria he found that sent back to you had changes in my dna that allowed them to be resistant to antibiotics or research is an example of

iosphere

b. Biome

c. Population

d. Abiotc

e. Ecosystems

f. Biodiversity

g. Food Chain

h. Aquatic

i. Community

Explanation:

answer; ///i do believe that the correct answer is (c) hold atoms together to form compound;