Answer:
The average trait value changed in one direction.(In this case, larger size)
Explanation:
In evolution a natural selection can be disruptive, directional or stabilizing
In stabilizing no extreme trait is favored hence provides intermediate values .
Disruptive selection both extreme traits are favored over the intermediate trait.
Directional, the enviroment will favor the survival of one trait hence a change in direction either towards the left or the right.
In the case of swallow cliff mortality, selection favored the larger size.
"Inorganic material" is that matter which helps plant to complete the cycle and it's provided by decomposers 'cause they break down dead matters into it.
Hope this helps!
Prostatis, or inflammation of the prostate (elevated PSA), likely due to bacterial infection, hence the elevated white blood cell count. This is sometimes also referred to as benign prostatic hypertrophy (BPH).
