Question

Spermathecal apertures are situated on ____________

Answer 1

Hint: The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. The sperm which is collected can stay workable and alive inner the spermatheca for several years.

Complete answer:
The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. Generally, the spermatozoa are saved in a spermathecal bulb that is related with a muscular duct, which controls spermatozoa release. The reservoir is lined through a layer of epithelial cells in bees. The precise shape of the cockroach spermatheca is referred to and mentioned first of all as an instance of an insect integumentary gland, and secondly, from the standpoint of its function in reproduction.

Spermathecal apertures are the genital openings present on the 5-9 segment of the earthworm. It is situated on the ventrolateral side of the intersegmental grooves. It is an important organ of reproduction in earthworms. In case of earthworm four pairs of spermatheca are present. The spermatheca receives the spermatozoa of another earthworm during copulation and stores the same. They are lined with epithelial cells that vary in shape. Mainly they occur as coiled tubes.

Spermathecal apertures are the genital openings present on the 5-9 segment of the earthworm.

Note: Bacteria such as Cyanobacterium, Streptococcus, Salmonella typhi, Yersinia, and Staphylococcus can cause some extreme infectious diseases. Various viruses can cause diseases in humans such as HIV, hepatitis B, poxvirus, etc. Many fungi can infect plants and animals such as Candida. Protozoa are eukaryotic heterotrophs that can be acquired via contaminated meals and water or by the chew of infected arthropods. Plasmodium and Giardia are two common protozoan parasites.