)Sexual reproduction maintains a constant level of variation in the population and requires less energy.
Answer:
B. Viruses are smaller than Bacteria and Archaea
C. Viruses do not belong to any of the three domains: Bacteria, Archaea, and Eukarya
E. Viruses are as old as Bacteria and Archaea
F. Viruses are unable to perform replication on their own
Answer:
This will help you
Explanation:
In more serious cases, stress may cause a decrease in blood flow and oxygen to the stomach, which could lead to cramping, inflammation, or an imbalance of gut bacteria. It can also exacerbate gastrointestinal disorders, including Irritable bowel syndrome (IBS) Inflammatory bowel disease (IBD)
Answer:
2, 3 and 4 only.
Explanation:
Mutations refer to change in genetic content or alterations of DNA which might be as a result when the DNA is copied or due to environmental factors like Ultraviolet radiation.
Majority of mutations have neither positive or negative effects on organisms the occur and they are called neutral mutations.
An example is silent points mutations which does not alter the amino acids it's encode.
Some Mutations have positive effects and some have negative effects which cause genetic disorder.
