Bacteria! Bacteria! Bacteria! :)
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.
Answer:
Las tierras bajas están sustentadas principalmente por rocas que se erosionan con ... Valle, pero han sido separadas por la sección Gettysburg-Newark Lowland. ... que divide la provincia de Ridge y Valley de la meseta de Allegheny. ... rocoso hacia el noroeste, en la dirección de los glaciares en retirada.
Explanation:
The answer is amino acid.
