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A calcified internal skeleton is characteristic of the
Q6: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q23: Which statement about brachiopods is false?<br>A) There
Q23: Which structural parts of a sponge are
Q28: Which cells function as "life support systems"
Q68: What are one or more advantages and
Q146: One group of pogonophorans, a polychaete clade,
Q197: The periderm of a woody stem is
Q203: Clusters of undifferentiated cells that will eventually
Q220: Trichinella spiralis, the causative agent of the
Q244: How do palaeognaths differ from neognaths?<br>A) Palaeognaths