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Anonymous
It is different by a fish has gills and a bird dont. A bird an fly a fish cant, see the difference?
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One has gills the other doesn't.
Fish swim and birds fly.
No. Birds, fish and reptiles are each a classification of "vertebrates" of their own. They all have quite different characteristics.
Many different types of birds and fish.
A cat likes to eat birds AND fish AND mice.
birds fish moles and monkeys
Penguins are birds, whales are mammals, and salmon are fish.
There are many different theories. The birds may have been traumatized by fireworks. The fish as well.
Fish and birds both have digestive, respiratory, and reproductive systems. These systems may have different adaptations to suit their environments and lifestyles.
The biosphere contains mammals, fish and birds.
Seals,different types of fish,polar bears and different types of sea birds.
There are many different species, to many to name. The main catigories are mammals, reptiles, birds, cartalagouness fish, boney fish, and insects.