Reproduction in the earthworm involves
A) Asexual budding
B) Self-fertilization
C) Cross-fertilization between two dioecious organisms
D) Cross-fertilization between two hermaphroditic organisms
E) Reproduction by "stem mothers."
Correct Answer:
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Q22: Gas exchange in the earthworm occurs through
Q23: Members of the clade Siboglinidae are also
Q24: Darwin observed earthworm behavior where a worm
Q25: The evolutionary position of leeches is best
Q26: Oligochaetes are primarily
A) Marine
B) Aquatic
C) Terrestrial
D) Parasitic
E)
Q31: The cocoon in the earthworm is produced
Q32: Compared to earthworms,freshwater oligochaetes
A) have more conspicuous
Q36: A leech
A)has a clitellum only during the
Q38: When earthworms copulate,each stores the other's sperm
Q40: Leeches
A)are mostly found in fresh water.
B)are largely
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