Copulation in earthworm occurs during

Which animal has red blood but lacks red blood cells (erythrocytes)?

Earthworms possess which of the following types of nerves?

Identify the correct terms for the following analogy:
$(i)$ Excretory organ in cockroach : Malpighian tubules :: In earthworm : ...........
(ii) Scientific name of cockroach : Periplaneta americana :: Scientific name of earthworm : ...........

In earthworms,setae are present in all segments except

Which of the following statements is not correct for an Earthworm?