Which arthropod subgroup includes the spiders?
A) Arachnids
B) Crustaceans
C) Insects
D) None of these
Correct Answer:
Verified
Q15: Most animals fall into one of how
Q20: What defines radial symmetry?
A) Any plane of
Q22: What is the function of a fish's
Q23: Serial repetition of segments is a defining
Q24: Which group of fishes evolved first?
A) Ray-finned
Q25: Compared to mammals and reptiles,what characteristic prevents
Q26: Which of the following features are used
Q33: Which type of worm lacks a complete
Q37: Worms all appear to be closely related
Q44: Which chordate trait evolved first?
A)Calcium-hardened skeleton
B)Amniotic egg
C)Four
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