Is reproduction in sponges sexual or asexual? What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life cycle of sponges.
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- What is the function of the ventral disk of Giardia lamblia trophozoites? How do you characterize the shape of the cytostome or mouth part of Chilomastix mesnili? Among the luminal flagellates, which species do not have a cyst stage. Among the luminal flagellates, Giardia lamblia is a species that does not have a cyst stage.What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?Describe a potential advantage and disadvantage of the cuticle of ecdysozoans.
- Why do parasites like trematodes produce such large quantities of eggs?A NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA B GASTROPODA CEPHALOPODA SCAPHOPODA BIVALVIA Which kind of phyletic group is represented by region A?.Describe the feeding process of a sponge. Make sure to use the following vocabulary in your answer: spongocoel, choanocytes, phagocytosis. What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?
