<span>It is true that a chromosome is made up of both DNA and proteins which are compacted and condensed.
>> Along with every organism on Earth, each of the things, is composed of Deoxyribonueclic acid or DNA. In this case, you can say that DNA is present in almost all of the living things on Earth.</span>
The organism that is recycling nutrients is bacteria.
Answer: Is a group of organisms of the same species that interbreed for example a group of robins in North America
Directly smelling any chemicals is the answer.