Some organisms are described as having a ________ digestive tract that includes a mouth at one end and an anus at the other.
A) comprehensive
B) segmented
C) systemic
D) complete
Correct Answer:
Verified
Q7: What happened during the Cambrian explosion?
A)Many large
Q10: Flatworms are most closely related to the
Q14: Which phylum of worms includes the leeches?
A)Flatworms
B)Annelids
C)Roundworms
D)None
Q16: Gastropods include the _.
A)clams and oysters
B)snails and
Q18: How do sponges acquire their nourishment?
A)They catch
Q20: What defines radial symmetry?
A) Any plane of
Q21: Which arthropod subgroup includes those with an
Q22: Which arthropod subgroup includes those with six
Q23: There are several limbless amphibians and reptiles.Did
Q37: How do bony fish regulate buoyancy?
A) With
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