Group the following items according to whether they are adaptations or acclimations.

- Hollow bones in birds make them lighter weight, enabling flight.
- The long tail of arboreal (tree-dwelling) mammals increases balance.
- The streamlined body shape of dolphins enables increased speed through water.
- The number of red blood cells in monkeys increases to carry more oxygen when they travel to higher elevations.
- Orthodontic devices correct jaw and teeth alignment.
- Dogs panting in hot temperatures helps them to cool off.

Adaptation:
Acclimation: