They're both types of active transport that are the intake of something into a cell. Khan Academy has a great article on this. I recommend checking that out.
The reason is because of the theory "the path of least resistance." The bird is not touching anything else, so it doesn't become our fried birdie dinner.
The adaptations that a coconut crabs also known as a robber crab is they use a special organ called branchiostegal lung that they use to breathe which other crabs have. This organ is a developmental stage between gills and lungs and is one of the most significant adaptations of the a coconut crab.
Answer:
I think it is the grasshopper.
