Which worm phylum lacks body segmentation?
A) Flatworms
B) Annelids
C) Roundworms
D) Both flatworms and roundworms
Correct Answer:
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Q34: Which arthropod subgroup includes animals with six
Q35: All vertebrates have _.
A)hair and a backbone
B)a
Q36: Echinoderms can be best described as _.
A)eukaryotic
Q37: Worms all appear to be closely related
Q38: Which of the following phyla is the
Q40: What are the key characteristics of arthropods?
A)Fused
Q41: Which group of fishes evolved first (in
Q42: What is the function of a fish's
Q43: Which group of fishes evolved most recently
Q44: Which chordate trait evolved first?
A)Calcium-hardened skeleton
B)Amniotic egg
C)Four
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