Answer:
A. organ.. B. Species
Explanation:
1. parts that make up organism are called as organs
2. a group of similar organisms that can successfully interbreed called as species.
Answer:
cell membrane
Explanation:
There are thousands of proteins embedded in the cell's lipid bilayer
Bacterial infections were much harder to treat a long time ago because we didn't have the same technology or information that we do now. because we have worked so long on treating different things we have learned what works and what doesnt. the new technology has helped us understand the infection which led to us being able to find medication to treat said infection.
