71 Questions
Which of the following is a characteristic of fishes?
Possessing limbs in the form of fins
What is the approximate number of living fish species?
34,800
What does the term 'fishes' refer to?
More than one species
Which group of fishes lack jaws, internal ossification, scales, and paired fins?
Cyclostomes
What is the major difference between hagfishes and lampreys?
Lampreys lack vertebrae
Which hypothesis suggests that hagfish and lamprey form a clade?
Cyclostomata Hypothesis
What is the term used to describe the group of modern fishes that lack jaws?
Cyclostomes
What is the main characteristic of jawless fishes' gill openings?
Pore-like
Which of the following is not a characteristic of fishes?
Being tetrapods
What is the term used to describe the skin covering of fishes?
Scales of dermal origin
Which property of water is responsible for the high resistance to motion, also known as 'Drag'?
Viscosity
What is the approximate speed at which sound travels in water compared to air?
5 times faster
Which zone in water has the highest light penetration?
Euphotic (Sunlight) Zone
What is the main waste product eliminated by fish?
Ammonia
Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?
Gnathostomata
Which group of fishes includes hagfishes and lampreys?
Cyclostomata
Which group of fishes is characterized by having jaws and paired fins?
Gnathostomata
What is the abbreviation FSGD in the context of fish genome duplications?
Fish Specific Genome Duplications
Which resource provides a genome browser for fish species?
Ensembl.org
How many fish genomes are currently available on Ensembl.org?
89
Which of the following is a characteristic of jawed fishes?
Bony endoskeleton
Which group of fishes is characterized by placoid scales and a cartilaginous endoskeleton?
Sharks, Skates & Rays
Which group of fishes is characterized by a bony endoskeleton and a swim bladder?
Ray-Finned Fishes
Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?
Sarcopterygii
Which group of fishes is characterized by fins with webs of skin supported by fin rays?
Neopterygii
Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics?
Chondrostei
Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?
Holostei
Which group of fishes is characterized by improvements to fins and jaw and includes the majority of fish species?
Teleostei
Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has vestigial spiracles?
Holostei
Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?
Chondrostei
Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?
Bony fishes
What is the main characteristic of jawless fishes' gill openings?
Pore-like openings
Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?
Cartilaginous fishes
Which group of fishes is characterized by having jaws and paired fins?
Lobe-finned fishes
Which group of fishes is characterized by a bony endoskeleton and a swim bladder?
Bony fishes
What is the term used to describe the skin covering of fishes?
Scales
Which of the following is a characteristic of fishes?
Internal ossification
Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has vestigial spiracles?
Cartilaginous fishes
Which hypothesis suggests that hagfish and lamprey form a clade?
Cyclostomata Hypothesis
Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?
Cartilaginous fishes
Which property of water is responsible for the high resistance to motion, also known as 'Drag'?
Viscosity
What is the approximate speed at which sound travels in water compared to air?
5 times faster
What is the main waste product eliminated by fish?
Ammonia
Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?
Osteichthyes
What is the approximate number of living fish species?
10000
Which group of fishes includes hagfishes and lampreys?
Cyclostomata
Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?
Sarcopterygii
Which group of fishes is characterized by fins with webs of skin supported by fin rays?
Osteichthyes
Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?
Chondrichthyes
What is the term used to describe the skin covering of fishes?
Scales
Which group of fishes is characterized by a bony endoskeleton and a swim bladder?
Osteichthyes
Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?
Chondrichthyes
Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?
Chondrichthyes
What is the approximate number of living fish species?
22,000
What is the abbreviation FSGD in the context of fish genome duplications?
Fish Sub-Genome Duplication
Which group of fishes is characterized by fins with webs of skin supported by fin rays?
Osteichthyes
What is the main characteristic of jawless fishes' gill openings?
Internal gill slits
What is the term used to describe the group of modern fishes that lack jaws?
Jawless fishes
Which group of fishes is characterized by placoid scales and a cartilaginous endoskeleton?
Chondrichthyes
Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?
Sarcopterygii
Which group of fishes is characterized by having jaws and paired fins?
Osteichthyes
True or false: Fishes form a monophyletic group.
False
True or false: Hagfish and lampreys are jawless fishes.
True
True or false: Fishes can adjust to the salt and water balance of their environment.
True
True or false: Most studies based on anatomy have supported the vertebrate hypothesis for jawed fishes.
True
True or false: Hagfish lack all vertebra-like structures.
False
True or false: Lamprey and hagfish belong to a monophyletic group known as Cyclostomata.
True
True or false: Density is 800 times greater than air.
True
True or false: Viscosity is approximately 50 times greater than air.
True
True or false: Water has a high resistance to motion, also known as 'Drag'.
True
True or false: Light penetration decreases with depth in water.
True
Test your knowledge on the diversity and classification of fishes in this quiz. Explore the various characteristics that define a fish and learn about the different groups of aquatic vertebrates. Discover the unique features of fishes and their classification in this engaging quiz.
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