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- 1. Multiple Choice
Fishes are
Vertebrates
Invertebrates
Reptiles
All the above
- 2. Multiple Choice
Whales and Dolphins are ............
Fish
Mammal
Invertebrates
All the above
- 3. Multiple Choice
in fish, ...................... contraction ripple through the body in waves from head to tail.
Fins
Scales
Muscle
Gills
- 4. Multiple Choice
....................... help protect from predators and parasites, and reduce friction with the water.
Mouth
Gills
fins
scales
- 5. Multiple Choice
................... is a balloon like internal organ that contains gas.
Swim bladder
Pelvic fin
Pectoral fin
All the above
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