WSU BIO 106 FINAL EXAM SCRIPT TESTED
QUESTIONS AND CORRECT ANSWERS
LEARNING MATERIAL
●● Osculum
Answer: -Large opening in the sponge
-Water leaves here
●● Choanocyte
Answer: -Flagellated feeding cell in sponges
-Creates water flow
-Capture and digest food particles
●● Spicule
Answer: Form "scaffold" that gives sponge shape
●● Cnidocyte
Answer: -Stinging cell of cnidarian
●● Nematocyst
Answer: Embedded in cnidocyte
,●● Parenchyma
Answer: Provide turgor pressure for movement
●● Gastrovascular cavity
Answer: -A central cavity with a single opening in the body of certain
animals (cnidarians and flatworms)
-Functions in both digestion and distribution of nutrients
●● Complete gut
Answer: Two openings, a mouth an and anus
●● Medusa
Answer: A free-swimming cnidarian with a bell-shaped body and
tentacles
●● Polyp
Answer: Growth extending from the surface of mucous membrane
●● Metamere
Answer: Organ repeated per segment
●● Tube feet
,Answer: Water in tubes extend tube feet
●● Parapodia
Answer: Paddlelike appendages that assist aquatic annelids in
locomotion.
●● Head-foot
Answer: Used for locomotion
●● Mantle cavity
Answer: Space between mantle and visceral mass
●● Visceral mass
Answer: Area beneath the mantle of a mollusk that contains the internal
organs
●● Tagmatization
Answer: -Allows for specialization of body for different functions
-Specialization of appendages
●● Chelicerae
Answer: Claw-like mouth parts
, ●● Mandibles
Answer: Jaws
●● Dorsal hollow nerve tube
Answer: Lies above the notochord and sends branches of nerve tissue
into muscles and other organs.
●● Pentaradial body plan
Answer: An organism with five parts around central axis, most
commonly known as echinoderms(star fish, sand dollars)
●● Water-vascular system
Answer: A system of fluid-filled tubes in an echinoderm's body.
●● Notochord
Answer: A flexible rod that supports a chordate's back
●● Pharyngeal gill arches
Answer: Filter feeding basket
●● Post-anal tail
Answer: A tail posterior to the anus; found in chordate embryos and
most adult chordates.
QUESTIONS AND CORRECT ANSWERS
LEARNING MATERIAL
●● Osculum
Answer: -Large opening in the sponge
-Water leaves here
●● Choanocyte
Answer: -Flagellated feeding cell in sponges
-Creates water flow
-Capture and digest food particles
●● Spicule
Answer: Form "scaffold" that gives sponge shape
●● Cnidocyte
Answer: -Stinging cell of cnidarian
●● Nematocyst
Answer: Embedded in cnidocyte
,●● Parenchyma
Answer: Provide turgor pressure for movement
●● Gastrovascular cavity
Answer: -A central cavity with a single opening in the body of certain
animals (cnidarians and flatworms)
-Functions in both digestion and distribution of nutrients
●● Complete gut
Answer: Two openings, a mouth an and anus
●● Medusa
Answer: A free-swimming cnidarian with a bell-shaped body and
tentacles
●● Polyp
Answer: Growth extending from the surface of mucous membrane
●● Metamere
Answer: Organ repeated per segment
●● Tube feet
,Answer: Water in tubes extend tube feet
●● Parapodia
Answer: Paddlelike appendages that assist aquatic annelids in
locomotion.
●● Head-foot
Answer: Used for locomotion
●● Mantle cavity
Answer: Space between mantle and visceral mass
●● Visceral mass
Answer: Area beneath the mantle of a mollusk that contains the internal
organs
●● Tagmatization
Answer: -Allows for specialization of body for different functions
-Specialization of appendages
●● Chelicerae
Answer: Claw-like mouth parts
, ●● Mandibles
Answer: Jaws
●● Dorsal hollow nerve tube
Answer: Lies above the notochord and sends branches of nerve tissue
into muscles and other organs.
●● Pentaradial body plan
Answer: An organism with five parts around central axis, most
commonly known as echinoderms(star fish, sand dollars)
●● Water-vascular system
Answer: A system of fluid-filled tubes in an echinoderm's body.
●● Notochord
Answer: A flexible rod that supports a chordate's back
●● Pharyngeal gill arches
Answer: Filter feeding basket
●● Post-anal tail
Answer: A tail posterior to the anus; found in chordate embryos and
most adult chordates.
