Select all that applyLophotrochozoan features includeMultiple select question.a lophophore.the blastopore becomes the mouth.some sessile animals.shedding of the cuticle during growth periods.
Question
Select all that applyLophotrochozoan features includeMultiple select question.a lophophore.the blastopore becomes the mouth.some sessile animals.shedding of the cuticle during growth periods.
Solution
The features of Lophotrochozoans include:
a) A lophophore: This is a feeding structure used by several phyla within the Lophotrochozoa group. It is a ring of ciliated tentacles surrounding the mouth that is used for feeding and sometimes respiration.
b) The blastopore becomes the mouth: This is a characteristic of protostomes, a group that includes Lophotrochozoa. In these organisms, the first opening that forms during embryonic development (the blastopore) becomes the mouth.
c) Some sessile animals: Some Lophotrochozoans are sessile, meaning they are fixed in one place and do not move around. Examples include bryozoans and brachiopods.
d) Shedding of the cuticle during growth periods: This is not a characteristic of Lophotrochozoans. This is more commonly associated with Ecdysozoa, another group of protostomes, which includes animals like insects and nematodes that shed their exoskeletons in order to grow.
So, the correct answers are a) a lophophore, b) the blastopore becomes the mouth, and c) some sessile animals.
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