Examlex
Groups of segments fused or combined into functional groups are called __________.
Q2: Chordates typically have<br>A)a notochord.<br>B)radial cleavage.<br>C)the anus derived
Q3: The circulatory system in the earthworm<br>A)is absent
Q12: The extant group likely to be the
Q20: Compare and contrast the sensory systems of
Q29: The class Hydrozoa contains Hydra,Obelia,and<br>A)the Portuguese man-of-war.<br>B)aurelia.<br>C)the
Q50: Usually we think of evolution acting on
Q50: The holdfast of a tapeworm is its
Q56: Nonavian reptiles are a paraphyletic group because<br>A)they
Q57: The lancelet reproduces<br>A)by asexual processes alone.<br>B)by budding.<br>C)sexually
Q73: Arrow-worms feed<br>A)on plankton and small fish.<br>B)by retracting