Web7 nov. 2024 · Spermathecae are flask shaped structure and are found one pair in each 6 … Web13 jan. 2024 · Several cocoons are formed after each copulation because the spermatozoa contained in the spermatheca do not pass out all at one time. Cocoons are oval, light yellow in color. They are about 2 to 2.4 mm long and 1.5 to 2 mm broad. Fertilization occurs after the cocoon has been deposited in a moist place.
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The spermatheca , also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, oligochaeta worms and certain other invertebrates and vertebrates. Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body. Spermathecae can someti… Web100–150 yellow, thin filamentous rings that are found in earthworms. 7.2 Answer the following: (i) What is the function of nephridia? (ii) How many types of nephridia are found in earthworm based on their location? Ans - (i) Earthworms have nephridia, which serve as their excretory and osmoregulating organs. The bodily fluids' volume and make ... flower shop in poplar bluff mo
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Web22 feb. 2024 · Find an answer to your question 1 Answer in one word or one line.i) Give the common name of Periplanata americanaii) How many spermathecae are found in earthwor… jadiyavishakha7 jadiyavishakha7 22.02.2024 Web(ii) Four pairs of spermathecae are present between sixth and the ninth segments. They help in receiving and storing the spermatozoa during copulation. (iii) In a cockroach, the pair of ovaries is located between 12th and 13th abdominal segments. (iv) In both sexes, the abdomen of a cockroach consists of ten segments. Web(iv) How many segments are present in the abdomen of cockroach? (v) Where do you … flower shop in port isabel tx