Hello to answer your question fully
<span>Archaebacteria
Because, </span><span>Archaebacteria is the oldest type of bacteria, which exist at the beginning of the world back when Oxygen still hasn't exist in its environment
Signed by, Expert Sargedog</span>
An invasive species will often become dominant in which case the diversity index would decrease. This happens when the invasive species pushes out other species as it takes over the area. If the invasive species is unable to adapt, the diversity index would likely not change.
Performance of physical activity, intake of food and water, body temperature, illnesses or diseases, etc.
The answer to this question is option B for sure.
