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Questions and Answers
Which of the following is NOT a characteristic of fish?
Which of the following is NOT a characteristic of fish?
- Jaws
- Gills
- Feathers (correct)
- Fins
Which group of aquatic creatures have shells or crusts on top that serve as armor?
Which group of aquatic creatures have shells or crusts on top that serve as armor?
- Amphibians
- Fish
- Crustaceans (correct)
- Mollusks
Which superclass of fish has fishes with bones?
Which superclass of fish has fishes with bones?
- Mollusks
- Chondrichthyes
- Osteichthyes (correct)
- Agnatha
What type of fish looks like a giant flounder with thicker flesh and a delicate flavor?
What type of fish looks like a giant flounder with thicker flesh and a delicate flavor?
Which group of aquatic creatures are shellfish with an impenetrable, hard shell?
Which group of aquatic creatures are shellfish with an impenetrable, hard shell?
Flashcards
What are crustaceans?
What are crustaceans?
These creatures live in the water and have a hard outer shell, like a crab or lobster.
What is Osteichthyes?
What is Osteichthyes?
This superclass of fish includes all the fish with bony skeletons.
What is Halibut?
What is Halibut?
Halibut is a type of flatfish, but unlike flounder it's thicker and has a more delicate flavor.
What are mollusks?
What are mollusks?
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Do fish have feathers?
Do fish have feathers?
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Study Notes
Fish Characteristics
- Fish are typically characterized by gills, fins, and being cold-blooded.
- They usually have a streamlined bodies adapted for aquatic life and lay eggs for reproduction.
Aquatic Creatures with Armor
- Crustaceans, such as crabs and lobsters, have hard shells or exoskeletons that serve as protective armor.
- Mollusks like oysters and clams also have hard shells, providing defense against predators.
Superclass of Fish with Bones
- The superclass Osteichthyes includes bony fish.
- This group possesses a skeleton made primarily of bone tissue, unlike the Cartilaginous fishes (e.g., sharks and rays) which have skeletons made of cartilage.
Type of Fish with Delicate Flavor
- The fish known for its resemblance to a giant flounder is the dab.
- Dabs have thicker flesh and are prized for their delicate flavor in culinary dishes.
Shellfish with Hard Shell
- Bivalves, such as clams and mussels, are a type of shellfish with impenetrable, hard shells.
- Their shells are made of calcium carbonate, providing a strong defense mechanism against predators.
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