Diversity of Fishes

Which of the following is a characteristic of fishes?

What is the approximate number of living fish species?

What does the term 'fishes' refer to?

Which group of fishes lack jaws, internal ossification, scales, and paired fins?

What is the major difference between hagfishes and lampreys?

Which hypothesis suggests that hagfish and lamprey form a clade?

What is the term used to describe the group of modern fishes that lack jaws?

What is the main characteristic of jawless fishes' gill openings?

Which of the following is not a characteristic of fishes?

What is the term used to describe the skin covering of fishes?

Which property of water is responsible for the high resistance to motion, also known as 'Drag'?

What is the approximate speed at which sound travels in water compared to air?

Which zone in water has the highest light penetration?

What is the main waste product eliminated by fish?

Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?

Which group of fishes includes hagfishes and lampreys?

Which group of fishes is characterized by having jaws and paired fins?

What is the abbreviation FSGD in the context of fish genome duplications?

Which resource provides a genome browser for fish species?

How many fish genomes are currently available on Ensembl.org?

Which of the following is a characteristic of jawed fishes?

Which group of fishes is characterized by placoid scales and a cartilaginous endoskeleton?

Which group of fishes is characterized by a bony endoskeleton and a swim bladder?

Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?

Which group of fishes is characterized by fins with webs of skin supported by fin rays?

Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics?

Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?

Which group of fishes is characterized by improvements to fins and jaw and includes the majority of fish species?

Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has vestigial spiracles?

Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?

Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?

What is the main characteristic of jawless fishes' gill openings?

Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?

Which group of fishes is characterized by having jaws and paired fins?

Which group of fishes is characterized by a bony endoskeleton and a swim bladder?

What is the term used to describe the skin covering of fishes?

Which of the following is a characteristic of fishes?

Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has vestigial spiracles?

Which hypothesis suggests that hagfish and lamprey form a clade?

Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?

Which property of water is responsible for the high resistance to motion, also known as 'Drag'?

What is the approximate speed at which sound travels in water compared to air?

What is the main waste product eliminated by fish?

Which group of fishes is known for their barbels, electric organs, and luminescence adaptations in the Disphotic (Twilight) Zone?

What is the approximate number of living fish species?

Which group of fishes includes hagfishes and lampreys?

Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?

Which group of fishes is characterized by fins with webs of skin supported by fin rays?

Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?

What is the term used to describe the skin covering of fishes?

Which group of fishes is characterized by a bony endoskeleton and a swim bladder?

Which group of fishes is characterized by a mix of teleost and elasmobranch-like characteristics and is less shark-like than chondrosteins?

Which group of fishes is characterized by a mix of teleost-elasmobranch characteristics and has spiracles for breathing?

What is the approximate number of living fish species?

What is the abbreviation FSGD in the context of fish genome duplications?

Which group of fishes is characterized by fins with webs of skin supported by fin rays?

What is the main characteristic of jawless fishes' gill openings?

What is the term used to describe the group of modern fishes that lack jaws?

Which group of fishes is characterized by placoid scales and a cartilaginous endoskeleton?

Which group of fishes is characterized by fleshy or lobed finned and share a common ancestor with tetrapods?

Which group of fishes is characterized by having jaws and paired fins?

True or false: Fishes form a monophyletic group.

True or false: Hagfish and lampreys are jawless fishes.

True or false: Fishes can adjust to the salt and water balance of their environment.

True or false: Most studies based on anatomy have supported the vertebrate hypothesis for jawed fishes.

True or false: Hagfish lack all vertebra-like structures.

True or false: Lamprey and hagfish belong to a monophyletic group known as Cyclostomata.

True or false: Density is 800 times greater than air.

True or false: Viscosity is approximately 50 times greater than air.

True or false: Water has a high resistance to motion, also known as 'Drag'.

True or false: Light penetration decreases with depth in water.