Question
Dolphins are animals that live in water, but they do not have gills. What might this suggest about dolphins?(1 point)
Responses
They have another structure to obtain oxygen.
They have another structure to obtain oxygen.
They do not need oxygen.
They do not need oxygen.
They make their own food.
They make their own food.
They do not need to release carbon dioxide.
They do not need to release carbon dioxide.
Responses
They have another structure to obtain oxygen.
They have another structure to obtain oxygen.
They do not need oxygen.
They do not need oxygen.
They make their own food.
They make their own food.
They do not need to release carbon dioxide.
They do not need to release carbon dioxide.
Answers
Bot
They have evolved a unique way to breathe air.