Nothing is different between 'can' and 'be able to'. They are simply two different words with the same meaning of 'i can do this'. Hope this helps.
to be able to understand different areas of life
Geckos are different than any other reptile species because they are able to vocalize. They are able to do this for many different purposes from attracting a mate - warding of predators.
they are spelt different
Yes, they have to be able to adapt to different environments to be able to hunt food
Adaptability and flexibility means being able to adjust oneself to different conditions.
Enable is a verb that is close in meaning to able. It can be used in different ways, but one of the meanings is "to make able."
Metals have different colors, different textures, different luster, different melting points and different electronegativities. I will have to conclude that an octopus would be able to distinguish among these properties. It may not be able to tell you what grade of stainless steel you present but, I contend that it will be able to differentiate between mercury and steel. If that be proven, my contention is likewise proven.
The use of telegrams was a way people in the 1800's were able to follow the different changes that were happening to them.
Colonise land.
The scientists are able to identify the different types of galaxies by high powered telescopes and by examining the pictures sent by various satellites orbiting the universe.
No. different plug, and different mains voltage. though you will be able to get an adaptor.
No, because they have different ecosystems and they are different in both ways.