Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: Porifera spicules
Answer:
-spicules are secreted by specialized cells in the mesohyl.
made of silica or calcium carbonate depending on species
remind you of radiolara shells
Q: Leukcyte
Answer:
white blood cell
Q: sclerocytes
Answer:
secrete spicules
Q: spongocytes
Answer:
secrete spongin
,Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: collencytes
Answer:
secrete collagen
Q: Intracellular digestion
Answer:
occurs in PORIFERA
food phagocytized by archeocytes, choanocytes, and pinacocytes
gas exchange and excretion via diffusion
contractile vacuoles present in archaeocytes and choanocytes
Q: pinocytosis
Answer:
Taking in water from the environment via endocytosis. Cell drinking.
,Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: how many methods of asexual reproduction occur in sponges?
Answer:
2: bud formation: cloning. Two types of buds: external buds and gemmules (internal
buds) fragmentation (followed by regeneration): if something should cause a sponge
to be fragmented (current, being eaten) can be regenerated
Q: gemmules
Answer:
internal buds of sponges
Q: functions
Answer:
a mass of asexually produced cells, capable of developing into a new organism or an
adult
sponge
resistant life stage with a protective covering
can survive through adverse environmental conditions
, Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: Sexual reproduction of sponges
Answer:
-most sponges are monoecious (have both male and female
sex cells all in one individual)
sperm cells are transformed choanocytes
Oocytes
Broadcast Fertilization is used
Q: monoecious
Answer:
having male and female reproductive organs in the same plant or animal
Q: dioecious
Answer:
Having male and female reproductive organs in separate plants or animals (male
and female)
with Verified Solutions | Latest 2026 Update
Q: Porifera spicules
Answer:
-spicules are secreted by specialized cells in the mesohyl.
made of silica or calcium carbonate depending on species
remind you of radiolara shells
Q: Leukcyte
Answer:
white blood cell
Q: sclerocytes
Answer:
secrete spicules
Q: spongocytes
Answer:
secrete spongin
,Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: collencytes
Answer:
secrete collagen
Q: Intracellular digestion
Answer:
occurs in PORIFERA
food phagocytized by archeocytes, choanocytes, and pinacocytes
gas exchange and excretion via diffusion
contractile vacuoles present in archaeocytes and choanocytes
Q: pinocytosis
Answer:
Taking in water from the environment via endocytosis. Cell drinking.
,Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: how many methods of asexual reproduction occur in sponges?
Answer:
2: bud formation: cloning. Two types of buds: external buds and gemmules (internal
buds) fragmentation (followed by regeneration): if something should cause a sponge
to be fragmented (current, being eaten) can be regenerated
Q: gemmules
Answer:
internal buds of sponges
Q: functions
Answer:
a mass of asexually produced cells, capable of developing into a new organism or an
adult
sponge
resistant life stage with a protective covering
can survive through adverse environmental conditions
, Study Guide Zoology Exam 1- UWRF bio 230 Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: Sexual reproduction of sponges
Answer:
-most sponges are monoecious (have both male and female
sex cells all in one individual)
sperm cells are transformed choanocytes
Oocytes
Broadcast Fertilization is used
Q: monoecious
Answer:
having male and female reproductive organs in the same plant or animal
Q: dioecious
Answer:
Having male and female reproductive organs in separate plants or animals (male
and female)
