Answer:
Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.
Explanation:
A in Bio last year.
Answer:
Out crossing
Explanation:
By breeding a certain breed of chicken with a different kind of chicken may produce different sized eggs and avoid the possibility of inbreeding depression
Crossing over gives the offspring sort of a genetic variation twist. This will mix our two genes and make them diverse, but together.
Regardless of the tools they use, scientists conduct modern ecological research using three basic approaches:
• observing
• experimenting
• modeling
All of these approaches rely on the application of scientific methods to guide ecological inquiry.