Fish Anatomy and Classification

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What is the function of structure (4) in Lampanyctodes hectoris?

To aid in propulsion

To sense vibrations in the water

To store reserves of energy

To provide buoyancy control (correct)

Which term best describes a non-tetrapod craniate with gills throughout life and fins as limbs?

Mammal

Reptile

Amphibian

Fish (correct)

Which subclass do sharks and rays belong to?

Subclass Holocephali

Subclass Cyclostomata

Subclass Elasmobranchii (correct)

Subclass Actinopterygii

What characteristic allows most fish to have their body temperatures vary with ambient temperatures?

Ectothermic nature Signup and view all the answers

What is the main distinguishing feature of Class Agnatha?

Jawless fish Signup and view all the answers

In what context is acoustic communication among fish most often used?

Feeding, aggression, or courtship behavior Signup and view all the answers

Which class is characterized by being armoured fish?

Class Placodermi Signup and view all the answers

Where can fish be found according to the text?

In all aquatic environments Signup and view all the answers

To which class do fleshy finned fishes, ancestors of tetrapods, belong?

Class Sarcopterygii Signup and view all the answers

Which group of vertebrates exhibits the greatest species diversity?

Fish Signup and view all the answers

What is the function of photophores (8) in Lampanyctodes hectoris?

To produce light for camouflage Signup and view all the answers

What type of water environment have no fish species been documented in yet according to the text?

Deep oceans Signup and view all the answers

Fish Anatomy and Classification

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Questions and Answers

What is the function of structure (4) in Lampanyctodes hectoris?

Which term best describes a non-tetrapod craniate with gills throughout life and fins as limbs?

Which subclass do sharks and rays belong to?

What characteristic allows most fish to have their body temperatures vary with ambient temperatures?

What is the main distinguishing feature of Class Agnatha?

In what context is acoustic communication among fish most often used?

Which class is characterized by being armoured fish?

Where can fish be found according to the text?

To which class do fleshy finned fishes, ancestors of tetrapods, belong?

Which group of vertebrates exhibits the greatest species diversity?

What is the function of photophores (8) in Lampanyctodes hectoris?

What type of water environment have no fish species been documented in yet according to the text?

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