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Questions and Answers
What is the smallest fish mentioned in the text?
What is the smallest fish mentioned in the text?
- Stout infantfish (correct)
- Pygmy goby
- Walking catfish
- Mangrove killifish
What are fish ribs primarily used for?
What are fish ribs primarily used for?
- Supporting fins (correct)
- Breathing
- Balancing
- Swimming
Which fins are considered as part of the 'appendicular skeleton' in fish?
Which fins are considered as part of the 'appendicular skeleton' in fish?
- Pectoral and caudal fins
- Caudal and pectoral fins
- Pectoral and pelvic fins (correct)
- Dorsal and ventral fins
What is the main function of segmented muscles in fish?
What is the main function of segmented muscles in fish?
Which fish can be found stuffed into insect tracks in rotting logs when the mangrove swamps dry up?
Which fish can be found stuffed into insect tracks in rotting logs when the mangrove swamps dry up?
What is the common feature of fish muscles related to movement?
What is the common feature of fish muscles related to movement?
Which of these is NOT a characteristic of fish?
Which of these is NOT a characteristic of fish?
Approximately how many new fish species are described each year?
Approximately how many new fish species are described each year?
What is the estimated percentage of fish species in the Amazon river basin that have been collected and described?
What is the estimated percentage of fish species in the Amazon river basin that have been collected and described?
When did the first true vertebrates appear in the fossil record?
When did the first true vertebrates appear in the fossil record?
Which of the following was NOT a characteristic of the first fish that appeared over 500 million years ago?
Which of the following was NOT a characteristic of the first fish that appeared over 500 million years ago?
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