Answer:
Much change is due to random genetic drift rather than positive selection. Some are harmful and are likely to be eliminated by natural selection – by death of the embryo, for instance. ...
Hierarchy - I don’t think I have the full context of the question but the word fits the best of its biology related
The answer is young child.
Nasal regurgitation it's when the food regurgitates out of the nose.
This is more likely to occur in babies/ young children with some birth defects in the soft palate, or if they have a cleft lip. Those birth defects, usually, get fixed with surgery when they are still children, that's why is less frequent after that age.
Answer:
because in biosphere when hydrosphere is disturbed means animals and plants in biosphere sometime Will miss water or watering will fails but also in atmosphere some factors like humidity and vapour will change
Answer:
: A decrease in pH is too acidic compared to optimum pH for amylase activity.