Answer in one word or one line:
(i) Give the scientific name of earthworm.
(ii)Give the common name of Periplaneta americana.
(iii) How many spermatheca are found in cockraoch ?
(iv) What is the position of ovaries in cockroach ?
(v) What is the name of tracheal opening in cockroach ?
(vi) How many segments are present in the abdomen of cockroach ?
(vii)Name the part of alimentary canal of frog where the gullet opens.
(viii)Where do you find Malpighian tubules ?