Answer:
1. Fish have gills that allow them to “breathe” oxygen in water. Water enters the mouth, passes over the gills, and exits the body through a special opening. Gills absorb oxygen from the water as it passes over them. Fish have a stream-lined body.
2. Squid also possess chromatophores, specialized structures on their skin which contain pigment and allow them to change color rapidly. These chromatophores can provide camouflage for squid from predators and potential prey, but are also believed to be used for identification purposes and communication between squid.
Explanation:
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