Adaption allows an organism to change according to the environmental needs, and ensures more chances of survival in the ecosystem. Example - If species of a particular type are in danger (lets say due to predation), the prey will adapt itself (overtime) to look like the environment (camaflouge suppose) and thus this will ensure the better chances of their survival
oxygen and hydrogen had equal electronegativity.the covalent bond of water molecules would not be polar,and water molecules would not form hydrogen bonds with each other
Scientific hypothesis is an idea that has been proven by a group and / or individual but has'nt been world wide and a scientific theory is already proven and accepted hypothesis.