Q: Four of the five features listed below are characteristic of cnidarians. Select the exception. a.…
A: Cnidarians is a phylum of Kingdom Animalia. In this phylum, aquatic animals are present which lives…
Q: How many germ layers originate the body of platyhelminthes? In relation to this characteristic how…
A: Platyhelminthes, also known as flatworms, are invertebrates having bilateral symmetry. They have an…
Q: Compared to other actinopterygians, teleosts _____. reach sexual maturity later in life and live…
A: Actinopterygian refers to bony fishes which appeared during the Triassic period (50.6 million years…
Q: What is the main external morphological feature thatdifferentiates platyhelminthesfrom other worms…
A: Helminths are the worm-like parasites that live by feeding on living hosts. They gain protection and…
Q: What molluscan features can be seen in other invertebrate phyla? Explain.
A: Animals are classified on the basis of presence of spinal cord and backbone into vertebrates (…
Q: Describe the process involved in hermaphrodite reproductive strategy in chaetognatha.
A: Chaetognaths also called as arrow worm because of its shape as torpedo or arrow. These are dominant…
Q: Flatworms (platyhelminthes) possess a O A. metanephridial system B. protonephridial system O C.…
A: Flatworms are unsegmented organisms that are bilaterally symmetrical and are acoelomates. They have…
Q: List four characteristics of teleosts that contributed to their incredible diversity and abundance
A: Teleosts belong to the class neopterygians. They include modern bony fish, which represent nearly…
Q: How are insects distinguished from other hexapods?
A: Arthropods are the invertebrates that form one of the largest groups of phylum in the animal…
Q: What are Trochozoans ? Explain what do they play ?
A: The Trochozoa are a proposed Lophotrochozoa clade that is sister of Polyzoa. The trochozoans clade…
Q: Explain how Craniata are paedomorphic for some traits of Chordata larvae.
A: Hemichordates have a number of features that are common between them, chordates and echinoderms.…
Q: Which are the morphological features that differentiate the beings of the phylum Annelida from…
A: Animals are divided into main categories known as chordate and non-chordate. Non chordates do not…
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 three organs found in Platyhelminthes that were not found in Cnidari
A: Flatworms are more advanced than cnidarians. Cnidarians are diploblastic whereas Platyhelminthes…
Q: What are the checkpoints in the completion of the life cycle of nematomorphs? Would it be easier if…
A: The phylum Nematomorpha (horsehair worms) is constituted of orders: Nectonematoidea (monogeneric…
Q: Some evidence suggests that members of Acoelomorpha constitute the sister group for all other…
A: Acoelomorphs are small, flatworms whose length is less than 5 mm. This group comprises around 350…
Q: Which of the following characteristics is not seen in the phylum Platyhelminthes?a. cephalizationb.…
A: Platyhelminthes or flatworms have the following characteristics - Acoelomate, bilateral symmetry,…
Q: Why does Phylum Nematomorpha only possess longitudinal muscles in their body? Explain.
A: These organisms possess external cuticle, non-functional gut and also do not have any respiratory,…
Q: what is the common adaptation in many nematodes enabling them to survive adverse conditions while…
A: Nematodes are the parasites that shows variety of adaptation to survive adverse conditions in soil…
Q: Flatworms (platyhelminthes) possess a a. metanephridial system b. protonephridial system c.…
A: Platyhelminthes are flatworms having many classes of triploblastic and are acoelomate flatworms that…
Q: What characteristics distinguish hexapods from all other arthropods?
A: The six-legged arthropod that belongs to the sub-phylum Hexapoda is referred to as hexapods.…
Q: How are nematodes and nematomorphs alike, and how are they different?
A: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous…
Q: Nematodes and arthropods both (develop an anus from the blastopore formed during…
A: Nematode and arthropods fall under one same ancestor clade i.e. Ecdysozoa. Nematodes are roundworms…
Q: Explain two peculiar features of the body-wall muscles in nematodes.
A: Nematode is any unsegmented worm that belongs to the phylum Nematoda. The nematodes are commonly…
Q: What are the differences between the life cycles of trematodes and cestodes?
A: Introduction: Trematodes and cestodes are parasitic worms, they both belong to the kingdom Animalia.…
Q: What type of a body plan doescoelenterates, ctenophores andechinoderms have?A. Annelida…
A: The animals are the most abundant living organism that are found in almost every habitat. They have…
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: How is the nervous system of nematodes organized? Where are the neural chords located in their body?
A: The nematodes are invertebrates belonging to phylum Nematoda. They have unsegmented thread-like…
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: nematodes ubiquitous
A: Nematodes are invertebrate roundworms that inhabit marine, freshwater, and terrestrial…
Q: Xenacoelomorpha are characterized by all of the following except: protonephridia hermaphroditism…
A: Xenacoelomorpha is a invertebrate belonging to a small phylum and have two sister groups namely…
Q: Gonozoids continue the reproductive cycle by budding medusae. About how many maturing medusae are…
A: These are rare in number and only found around the hydrocaulus's base. The gonozooids are the…
Q: What are the genes and proteins involved in the formation of axes in nematodes?
A: Any worm of the phylum Nematoda is known as Nematodes. They are commonly known as roundworms. They…
Q: How are the main classes of arthropods classified according to the presence of larval stage in their…
A: The members of phylum Arthropoda are collectively referred to as arthropods. Segmented body, the…
Q: How can the presence, localization and function of muscular tissue in beings of the phylum Annelida…
A: Annelids are cylindrical worms with segmented bodies (they are metameric). The main evolutionary…
Q: characteristics
A: Ecdysozoa is a group of protostome animals. It includes arthropoda, nematoda and…
Q: Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory…
A: Poriferans are generally known as sponges. The sponges are separated from the metazoan by an early…
Q: How does cryptobiosis in tardigrades increase the likelihood of survival?
A: Water bears, called tardigrades, are the water-dwelling microscopic invertebrates.
Q: What is the clitellum of earthtworms and where it is located?
A: An earthworm is a terrestrial invertebrate found in the upper layers of the moist soil that is rich…
Q: Explain the function of nematocysts in cnidarians.
A: BASIC INFORMATION CNIDARIA It is one of the phylum of the animal kingdom in which the organisms…
Q: What are the morphological similarities and differences between nematodes and annelids?
A: Nematodes are referred as roundworms and constitute phylum Nematoda. They are multicellular…
Q: Briefly describe the structure of nematodes and explain how it may be used to capture prey
A: Nematodes are popularly known as roundworms or threadworms or true worms. They come under the phylum…
Q: in eathworms, Is the clitellum located near the anterior or posterior end? What does the clitellum…
A: Annelida are segmented worms that live in saltwater, freshwater, and wet terrestrial environments.…
Q: Describe the structure and function of the stinging cells for which cnidarians are named.
A: Introduction: Animal kingdom can be classified into vertebrate animals (without backbone) and…
Q: Examine this whole mount of Branchiostoma (amphioxus) What is the function of this notochord? What…
A: It is an example of marine invertebrate-lancelets. Falls under phylum Chordata and subphylum…
Q: Considering the presence of segmentation (metameres) in their body to which other already studied…
A: Arthropod are the invertebrate organisms and have segmented body, exoskeleton, and jointed paired…
Q: Xenacoelomorpha are characterized by all of the following except: hermaphroditism acoelomate body…
A: Introduction: Xenacoelomorpha is a minor phylum of invertebrates that includes two sister groups:…
Q: What are some examples of cnidarians? In which environments can these animals be found?
A: Hydra, jellyfish, coral are the some examples of cnidarians. Presence of cnidoblast cell in their…
Q: What is the number of shells each organism has (Cephalopoda Scaphopoda)?
A: Shell or seashell is a hard protective layer formed by an animal that lives in the sea. Shell is…
What structures are found in Acanthocephalans which allows them to perform its endoparasitic life? Explain
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- How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?What is the type of reproduction that occurs in roundworms? What typical feature do nematode sperm cells have?What is a syncytium? Do tapeworms possess syncytial structures?
- In what annelid groups are septa between coelomic compartments lost? Whatadvantages does this loss give each group?Considering the presence of segmentation (metameres) in their body to which other already studied phylum are arthropods proximal?Describe and contrast the tegument of most turbellarians and the other classes ofPlatyhelminthes. Does the tegument provide evidence that trematodes,monogeneans, and cestodes form a clade within Platyhelminthes? Why?
- what is the common adaptation in many nematodes enabling them to survive adverse conditions while awaiting return of more congenial circumstances.What are the adaptations of parasitic nematodes that make them successful as endoparasites?Examine this whole mount of Branchiostoma (amphioxus) What is the function of this notochord? What happened to this structure in fishes and other vertebrates?
- What are the adaptations of parasitic nematodes that make them successful as endoparasites? Please include reference/s.Describe and contrast the tegument of most turbellarians and the other classes of platyhelminths. Does the tegument provide evidence that trematodes, monogeneans, and cestodes form a clade within Platyhelminthes? Why?Where are nematocysts located in the Anthozoans (subphylum Anthozoa)?
