The members of the annelid class ( ) are considered closest to the ancestral annelid condition.
A: Chaetognatha
B: Gnathobdellida
C: Polychaeta
D: Oligochaeta
E: Clitellata
A: Chaetognatha
B: Gnathobdellida
C: Polychaeta
D: Oligochaeta
E: Clitellata
举一反三
- This group is considered to be the most closely related to ancestral amniotes. A: mammals B: snakes C: lizards D: birds E: turtles
- The hall is still in good condition, ______ that it was built almost 600 years ago. A: to consider B: having considered C: considering D: we considered
- There are ___ many legue members in class 2 ____ in Class 4. A: both; and B: so; that C: either; or D: as; as
- There are_____ many league members in class 2_____in class 4.
- There are ______ many League members in Class 1 ______ in Class 2. A: more, than B: as, as C: so, as