What is the type of reproduction that occurs in roundworms? What typical feature do nematode sperm cells have?

Q: What is the shape of a spider’s chelicerae?

A: Chelicerata, an arthropod group that includes, horseshoe crabs, arachnids, and sea spiders.…

Q: How is the development of a hookworm larva different from the development of a pinworm larva

A: Larva is a stage during the development of animals. It occurs after the birth and before the reach…

Q: How is arthropod reproduction characterized?

A: Arthropoda is the largest phylum of Animalia.  Defined by segmented body and paired jointed…

Q: What physical feature is found on most free-living insects, including free living lice, that is…

A: Introduction: Insects can range in size from large—like the 130 mm bush giant dragonfly—to…

Q: Which of the following is NOT true about nematocysts? O They are structures housed in special cells…

A: Classification is the process of systematically arranging the entries in different levels on the…

Q: Could Water Temperature Affect the Prevalence of Anisakids Nematodes in Fish? please cite sources

A: Anisakidosis is a zoonotic parasitic infection spread by members of the Anisakidae family. Anisakis,…

Q: What castes occur in honey bees and in termites, and what is the function of each?

A: Insects are the most diverse group of animals belongs to class Insecta. They represent more than…

Q: What is the difference between Tapeworm and Ring worm?

A: Animals are the multicellular organisms . They are classified as vertebrates and invertebrates on…

Q: What is the significance of having an invariant cell lineage of the nematode,

A: Caenorhabditis elegans is a model organism which help us to study various human diseases. This worm…

Q: In the sexual reproducing phyla Nematoda, are the animal’s hermaphrodites or separate  sexes?

A: Hermaphrodites are the animals which have both the sexes present in the same body i,.e they are able…

Q: What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life…

A: All sponges belong to Porifera. They are the simplest animals with cellular level of organization.…

Parasitic infections

A parasite is an organism that lives in the body of another organism and obtains food at the expense of the host. There are two kinds of parasites they are internal and external. An internal parasite lives inside another organism and is known as endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite.