Water molecules attracted to other water molecules. this property called?

Cohesion

Explanation:

Cohesion is the force of attraction between molecules of the same substance. Hence, it occurs between water molecules attracted to other water molecules.

Cohesion however, differ markedly from adhesion, which is the force of attraction between molecules of different substances like water molecules and glucose molecules.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.