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The wide distribution of rotifers in lakes can be attributed to
Q4: The _ is the outer layer of
Q9: Development in the tunicates involves a _
Q10: Giacomo della Porta's façade for the church
Q11: Scolex,neck,and _ comprise the three body regions
Q14: Vertebrates are thought to have originated at
Q15: The idea of evolution did not originate
Q15: The ilium,ischium,and pubis comprise the _ of
Q22: Muscles responsible for closing the bivalve shell
Q27: Because amphibians depend on external sources of
Q36: Members of the echinoderm class _ are