Answer:
Fish have gills that extract oxygen from the water and allow it to live underwater their entire lives.
fishes have very little body fat, which is the main reason for why they are prized as food
whales do not have gills but instead have one or two blowholes that connect to their lungs, which allow the whale to breathe in air.
They are similar in their body characteristics such as both have fins and a tail, which helps them swim and stay upright in the water.
They are similar in their body characteristics such as both have fins and a tail,
