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Questions and Answers
What is the function of the starfish's everted stomach in obtaining food?
What is the function of the starfish's everted stomach in obtaining food?
- To swallow prey whole
- To filter small particles from the water
- To remove detritus from the surface
- To release enzymes that turn the clam into a broth (correct)
What is the function of the podia in the starfish's water vascular system?
What is the function of the podia in the starfish's water vascular system?
- To facilitate the movement of the starfish
- To provide additional surfaces for gaseous exchange (correct)
- To release enzymes that break down food
- To sense the environment
What is the structure of the reproductive system in starfish?
What is the structure of the reproductive system in starfish?
- A single genital sac per arm that contains the gonads
- Gonads located at the base of the starfish
- Two genital sacs per arm that contains the gonads (correct)
- Gonads distributed throughout the starfish's body
What is the sequence of development in starfish?
What is the sequence of development in starfish?
What is the characteristic of the tube feet in the order Paxillosida?
What is the characteristic of the tube feet in the order Paxillosida?
What is the characteristic of the order Forcipulatida?
What is the characteristic of the order Forcipulatida?
What is the characteristic of the order Spinulosida?
What is the characteristic of the order Spinulosida?
What is the subclass of the class Stelleroidea that includes starfish?
What is the subclass of the class Stelleroidea that includes starfish?
Which order does the species Siliquaria sp. belong to?
Which order does the species Siliquaria sp. belong to?
What common name is associated with Epitonium scalare?
What common name is associated with Epitonium scalare?
Which species is known as the sea hare?
Which species is known as the sea hare?
To which subclass does Perna sp. belong?
To which subclass does Perna sp. belong?
Which species is commonly known as the tulip shell?
Which species is commonly known as the tulip shell?
What order includes the family Architectonicidae?
What order includes the family Architectonicidae?
Which species is associated with the nickname 'pen oyster'?
Which species is associated with the nickname 'pen oyster'?
What species is referred to as the spindle shell?
What species is referred to as the spindle shell?
What is the function of the axial gland in the coelom?
What is the function of the axial gland in the coelom?
What connects to the underlying coelomic spaces in the water vascular system?
What connects to the underlying coelomic spaces in the water vascular system?
What characterizes the digestive system mentioned?
What characterizes the digestive system mentioned?
What is the structure surrounding the esophagus in the circulatory system?
What is the structure surrounding the esophagus in the circulatory system?
What type of larva is produced by external fertilization in the reproductive system?
What type of larva is produced by external fertilization in the reproductive system?
Which subclass includes both extinct and living crinoids?
Which subclass includes both extinct and living crinoids?
Which order includes feather stars with a ballet-like swimming motion?
Which order includes feather stars with a ballet-like swimming motion?
What defines the dorsal surface of Class Holothuroidea?
What defines the dorsal surface of Class Holothuroidea?
What is unique about reproduction in most species discussed?
What is unique about reproduction in most species discussed?
In the lifecycle described, what does the trochophore larva develop into?
In the lifecycle described, what does the trochophore larva develop into?
What adaptation allows some species to live attached to objects?
What adaptation allows some species to live attached to objects?
How do scallops move about?
How do scallops move about?
What is the shell structure of extant cephalopods like squids and cuttlefish?
What is the shell structure of extant cephalopods like squids and cuttlefish?
What parasitic form can some veligers develop into?
What parasitic form can some veligers develop into?
What is a key characteristic of the head structure in cephalopods?
What is a key characteristic of the head structure in cephalopods?
What happens to the viscera as the dorso-ventral axis elongates in cephalopods?
What happens to the viscera as the dorso-ventral axis elongates in cephalopods?
What is the primary function of the osphradia?
What is the primary function of the osphradia?
Which statement correctly describes the excretory route in mollusks?
Which statement correctly describes the excretory route in mollusks?
What sensory organs are found in mollusks?
What sensory organs are found in mollusks?
Which reproductive process involves the development of a mollusk from zygote to adult?
Which reproductive process involves the development of a mollusk from zygote to adult?
Which part of the mollusk's nervous system controls the muscles of the foot?
Which part of the mollusk's nervous system controls the muscles of the foot?
Which characteristic is NOT true for the Class Aplacophora?
Which characteristic is NOT true for the Class Aplacophora?
What is the function of the statocyst in mollusks?
What is the function of the statocyst in mollusks?
Which of the following correctly describes the role of metanephridia?
Which of the following correctly describes the role of metanephridia?
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