In ascidians the lateral cilia spread the mucous net across the inner surface of their pharynx. True

Q: Although they are related, the digestive system of an earthworm and Ascaris are very different. Why…

A: Ascaris is a roundworm that belongs to the phylum Nematoda. It is a thin, unsegmented, parasitic…

Q: Which Hymenoptera lives in secret

A: Hymenoptera is one of the largest orders of insects and includes species of bees, wasps, hornets,…

Q: What class under Platyhelminthes contains proglottis ? a)Nematoda b) cestoda c) plasmodium d)

A: Answer is c.) cestoda.

Q: Which of the following are used by spiders to pick up sensory information from the surrounding…

A: Senses are very important in perceiving the changes in the outer world. Spiders are arachnids that…

Q: The first phylum with ganglia in their nervous system are the…

A: The Platyhelminthes is the primitive phylum in comparison to Nematodes. Then comes Mollusca and…

Q: Cnidocytes are found in _____. a. phylum Porifera b. phylum Nemertea c. phylum Nematoda d. phylum…

A: There is a great diversity of organisms in the Kingdom Animalia. It is further divided into several…

Q: Planaria lack specialized gas-exchange organs. How do you think planaria accomplish this task?

A: Planarians belong to Lophotrochozoan branch of protostomes.

Q: Which of the following is the basic reproductive found on tapeworms? Multiple Choice Hook Scolex…

A: The name tapeworm is due to its elongated tape-like appea­rance. It may attained length of several…

Q: Explain functions of each of the following in earthworms: pharynx, calciferous glands, crop,…

A: Earthworms are invertebrate living organisms under the phylum annelida. The body of an earthworm is…

Q: In amniotes the cochlea and semicircular canals of the inner ear cavity are filled with _______.…

A: The ear is responsible for performing two main functions : hearing and balance. The ear consists of…

Q: Briefly explain how spinchcters control these function in the infants when they go from involuntary…

A: The sphincter is a circular muscle that controls the passage of liquids and solids. Sphincters can…

Q: Which has a posterior flagellum that spits fluids that "burns" from its anal glands? A. Amblypygi B.…

A: Scorpions are the organisms that comes under the phylum arthropods in class arachnids. This are…

Q: Metacercariae manipulate brains of ants in witch of the following parasites? Select one: paragonimus…

A: Dicrocelium dendriticum is known as the liver fluke exhibits two intermediate (Example: snail) and a…

Q: The organ that functions to coat annelid worms with a mucus-derived cocoon is the uterus O clitellum…

A: Annelid worms These worms belong to the phylum Annelida. These are also called segmented worm, that…

Q: GENERAL CHARACTERISTICS OF SOME PARASITIC FLATWORMS FLATWORMS BODY INTERMEDIATE FINAL ORGANS…

A: Introduction: Parasitology is broadly classified into protozoology and helminthology. A parasite is…

Q: Discuss the importance of leeches in medicine.

A: *Leeches are segmented parasitic worms belongs to subclass Hirudinea in phylum Annelida. * Leeches…

Q: Explain how cnidocytes with their nematocysts function in food capture and defense.

A: Cnidocytes are specialized cells and these define the phylum Cnidaria. These contain an explosive…

Q: The squid light organ has structural and functional similarities to an eye, including the ability to…

A: Squid belongs to family of cephalopods in the superorder Decapodiformes. The body of squids are…

Q: Venom glands may be adaptations of modified ovipositors for venom injection in hymenopterans....what…

A: Answer: VENOM = It is the poisonous substance produced by many animals and insects which when…

Q: The male copulatory organ of turbellarians is called a

A: Turbellarians belong to phylum Platyhelminthes.Temnocephala lamothei ,Dugesia aenigma,Dugesia…

Q: Describe the differences between protonephridia and metanephridia. Give an example of any animal…

A: Photonephridia Metanephridia Ciliated or flagellated cells called flame cells are used in…

Q: In flatworms gas exchange, nutrient transport, etc. involves diffusion alone a blood vascular system…

A: INTRODUCTION Flatworms These are acoelomic unsegmented worm having bilateral symmetry, and three…

Q: State the nematodes that a lung phase in their life cycle.

A: Helminths are multicellular eukaryotic invertebrates that have tube-like or flattened bodies that…

Q: How do worms get in the body and by what routes

A:

Q: Which structure stops large particles from going into the cephalochordates pharynx? A. mucous net…

A: Answer :- Correct Answer is option B

Q: If you had minimal resources to survive a disease related quarantine, as we’re currently…

A: Quarantine is the isolation of individuals that have arrived from an infectious disease affected…

Q: Siphonicle neck in ammonoidea is directed forwads Select one : True False

A: Ammonoidea These belong to the class of Cephalopoda. These are extinct marine molluscs which are…

Q: Describe the ways in which leeches obtain food.

A: Hirudinea or leech belongs to the phylum Annelida.   Parapodia, setae, tentacles, and distinct heads…

Q: Unlike the turbellarians earthworms have a complete digestive system. This means that;

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: this is the body wall of hydra. label the epidermis, gastrodermis and gastrovascular cavity,…

A: There are roughly 9000 species within the phylum cnidaria. Hydra, jellyfish, sea anemones, corals,…

Q: In arthropods the open circulatory system is the primary means by which cells receive oxygen for…

A: Arthropods are characterized by having joined appendages as 'Arthro'  means joined and 'pods' means…

Q: in a wolf house spider, lycosa   Locate the spinnerets at the posterior end of the abdomen. What…

A: Spinnerets are organs located outside the abdomen of spiders that produce silk fiber that helps them…

Q: Explain the structures of an insect digestive tract specialized for solid food type with one…

A: Digestive system is part of a body that helps in the digestion of food.

Q: If the lateral cilia of pterobranch tentacles are inactivated what would be the likely consequence?…

A: Pterobranchia are marine invertebrates that live in the ocean flower and are small worm-like…

Q: Members of the phylum Platyhelminthes have two body forms: free-swimming medusa and stationary…

A: The phylum Platyhelminths includes the soft bodies worms that are bilateral and unsegmented…

Q: Feeding rosettes can be observed on the surface of the sediment and are formed by A. suspension…

A: E. Deposit feeding echinoids.

Q: Clown fish are often found swimming within the tentacles of sea anemone whereas other fish avoid…

A: Statement number 3, ie, clown fish are good at manuevering between the spines of sea anemone and use…

Q: The rasping tongue that many molluscs use to feed on prey is called Oa radula. O the nematocyst. the…

A: After arthropods ,mollusc is the second phylum containing vast majority of invertebrates.

Q: Ctenophores are carnivores. O True False

A: The animals are characterized by different attributes like presence of cilia, combs, pores, fins,…

Q: Feeding rosettes can be observed on the surface of the sediment and are formed by A. suspension…

A: Answer: Feeding rosettes can be observed on the surface of sediment and are formed by - b) some…

Q: Cnidarians only have one opening for a “gut” (gastrovascular cavity) and this slows down their food…

A: Cnidarians are animals that belong to the Cnidaria phylum. Invertebrates make up the majority of the…

Q: Margins of fallopian funnels are fimbrated and bear cilla. Comment.

A: Reproductive system (genital system) is used for the sexual reproduction. The main organs of the…

Q: All poriferans are filter (suspension) feeders. O True False

A: Poriferan such as sponges have unique feeding system where their feeding chamber is lined by collar…

Q: A multilayered cuticle that is periodically molted characterizes A. nematodes B. kinorhynchs O C.…

A: Despite the current use of molecular tools, the evolutionary links between gastrotrichs and other…

Q: Segmentation in the body is first observed in which of the following:(a) Platyhelminthes (b)…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: Describe the mechanism of each of the following with respect to spiders: feeding, excretion, sensory…

A: Spiders belong to the class Arthropoda. Spiders can bite with their fangs which inject venom to kill…

Q: Match each organ to the system or function with which it is associated. lateral lines gills tracheae…

A: Each organ with there function are matched  with there suitable results are answered below  :

Q: Explain in detail what this picture shows which part? Papillae

A: Taste buds are contained in the papillae, which are small elevated protrusions on the tongue.…