Distinguish each of the following orders from the others: Araneae, Scorpiones, Opiliones, Acari.

Q: What animal group has been most affected by chytrids?

A: Chytrids belong to the kingdom Fungi and are saprotrophs. The process of reproduction is carried out…

Q: Compare and contrast the 5 major extant groups of actinopterygii: 1.polypteriformes 2.chondrostei 3.…

A: Actinopterygians, or ‘ray-finned fishes,’ are the largest and most successful group of fishes of all…

Q: Describe in brief morphological nature of the rhizophore of Selaginella.

A: Ans: Rhizophore: The rhizophore are influenced by root secretions as well as soil microbiome.

Q: What external features make scorpions appear so menacing?

A: Scorpions are defined as any of various nocturnal arachnids that belong to the order Scorpionida and…

Q: Describe the four characteristics that are unique tovertebrates.

A: Introduction: Earth is inhabited by millions of living creatures and all are known by their distinct…

Q: Label the parts of these rotifers and acanthocephalans Acanthocephalan

A: Labeled parts are shown in step 2. These are parasitic worms and it contains spines.

Q: Describe and contrast the tegument of most turbellarians and the other classes of Platyhelminthes.…

A: Turbellarians do not have a tegument but have a cellular, ciliated epidermis resting on a basement…

Q: Define the following with respect to gastropods: operculum, torsion, fouling, bilateral asymmetry,…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: What structural system is unique to the phylum Echinodermata?

A: Echinoderms:              Marine invertebrate animals characterized by a hard, spiny covering or…

Q: What are the unifying characteristics of Sardinella tawilis under the following taxonomic ranks:…

A: Sardinella tawilis is a freshwater sardine. It is an oval-shaped body with sharp scales in its…

Q: Describe characteristics of phylum Platyhelminthes and its subgroups by discussing similarities and…

A: The phylum Platyhelminthes includes a variety of worm-like organisms that share some common…

Q: Identify and label the parts of the following specimens of Phylum Platyhelminthes:

A: It is critical to learn and know the anatomy and physiology of the body. Many changes in the animal…

Q: What phylum is the closest relative of nemertines? Why?

A: Nemertines:  Nemertea, sometimes known as ribbon worms or proboscis worms, is a phylum of organisms.…

Q: What characteristics do Hemichordata share with Echinodermata, and how do the two phyla differ?

A: Introduction  Hemichordate are referred to as Half chordates, they are marine deuterostomes animals.…

Q: Why might webspinning spiders be considered filter feeders?

A: Filter feeding is a technique mostly used by certain aquatic animals that instead of taking the food…

Q: Label the parts of the Plechtranthus Arabicus from the photo below.

A: Plechtranthus arabicus belongs to the Genus - Plectranthus and the Family - Lamiaceae. They are…

Q: Based on the tree below, what is the sister taxon of iguanid? -Spherada rOibamidae LGekota r…

A: A phylogenetic tree is a branching diagram or a tree showing the evolutionary relationships among…

Q: Distinguish the following from each other: statocyst and rhopalium; scyphomedusae and hydromedusae;…

A: The Cnidarians belongs to the phylum of simple animals. It includes jellyfish, hydras, corals, and…

Q: Briefly describe how Siboglinids meet their nutritional requirements

A: Siboglinidae may be a family of polychaete annelid worms whose members created up the previous phyla…

Q: List the characteristic feature of sacrodines.

A: Protozoa are single-celled organisms. They come in many different shapes and sizes ranging from an…

Q: Class: Hydrozoa Genus: Obelia Common Name: Coenosarc

A:

Q: Cohort: Trematoda Order: Diplostomida Genus: Schistosoma Common Name: Blood Fluke

A: Introduction Blood fluke (Schistosoma) are the parasitic flat worm causes infection in human called…

Q: How do Schistosoma japonicum differ from other trematodes

A: We have different worms residing inside our Body . Many of them are parasitic in nature .

Q: What are the best known representatives of the platyhelminth phylum?

A: Platyhelminthes are bilateral flatworms that derive their nutrition by being parasitic or…

Q: Explain the interaction of cuticle, body-wall muscles, and pseudocoe-lomic fluid in locomotion of…

A: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous…

Q: Describe and contrast the tegument of most turbellarians and the other classes of platyhelminths.…

A: Phylum Platyhelminthes includes four classes namely Turbellaria, Trematoda, Monogenea, and Cestoda.…

Q: What are the tagmata of arachnids, and which tagmata bear appendages?

A: Arachnida is a class of phylum Arthropoda. The members in class Arachnida are called arachnids. The…

Q: Examine this whole mount of Branchiostoma (amphioxus): label the notochord, myomeres, and nerve…

A: Hi, Thanks For Your Question.  Answer :  Branchiostoma do not have a true head, they only have a…

Q: Describe any problems or benefits associated with turbellarian worms?

A: Turbellaria have evolved to a variety of settings, and many species are resistant to harsh…

Q: Mention three similarities between lancelet and ammocoetes?

A: A cephalochordate is the Subphylum in the Kingdom Animalia. The vertebrates and cephalochordates…

Q: similarities and differences among the different classes of Hemichordata and the two subphyla of…

A: All animals are categorized into different phyla in the kingdom Animalia. The animal kingdom…

Q: What do the following subclasses have in common? Subclass: Elasmobranchii Subclass: Neopterygii

A: The idea and practice of characterizing, identifying, and categorizing living things are commonly…

Q: sketch the microscopic features of the genus asperigillus

A: Introduction :- A fungus is any member of a group of eukaryotic organisms that includes…

Q: Describe any problems or any benefits associated with polycladida worms.

A: Polycladida can be referred to as the order containing a group of flatworms with a wide range of…

Q: Biramous appendages are found in the following Subphylum or Subphyla a. Uniramia O b. Chelicerata…

A:

Q: Describe the trait that distinguishes chytrids

A: A fungus is a type of eukaryotic creature which comprises microorganisms like yeasts and moulds,…

Q: Outline the life cycle of each of the following: Ascaris lumbricoides,hookworm, Enterobius…

A: Introduction: Every living organism has a life cycle which starts with their birth, continues to…

Q: Draw the structure of orinthorynchus, macropus,pteropus,balenoptera?

A: Step 1 The class mammalian is a group of homoiothermic tetrapod vertebrates which have a covering of…

Q: Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum…

A: Ecdysis is the process of shedding of skin. Ecdysozoa is a super phylum arthropoda, nematoda and…

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: How does cryptobiosis in tardigrades increase the likelihood of survival?

A: Water bears, called tardigrades, are the water-dwelling microscopic invertebrates.

Q: Xenacoelomorpha is the basal taxon of Bilateria True False

A: True

Q: Differentiate between phylum-ctenophora and phylum-platyhelminthes?

A: Animal kingdom includes multicellular, eukaryotic, and heterotopic organisms. In Animal kingdom some…

Q: How are spiders beneficial to humans?

A: Mammals belong to the class Mammalia. They are vertebrates. It belongs to the kingdom Animalia and…

Q: The saber-tooth blenny mimics what other species?

A: Mimicry in biology is the similarity seen in one or more species with respect to physical…

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: Of all the parasitic insects discussed herein (endoparasites, ectoparasites, mallophaga, anoplura,…

A: Introduction :- Parasites are the organism's which lives at the body surface or inside the body of…

Animal Diversity

Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.

Platyhelminthes

Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.