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: Describe characteristics of nematodes and identify four parasitic nematodes.
A: The nematodes or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with…
Q: Which is more widespread, nematodes or annelids
A: Nematodes are most numerous of any phylum . About 15000 species of nematodes are present . Due to…
Q: What are the two main morphological patterns of cnidarians? Concerning locomotion how do these forms…
A: Cnidarians, also known as coelenterates are mostly marine organisms and includes corals, hydras, and…
Q: Outline the life cycle of a gordiid nematomorph.
A: Ecdysozoans are a group of protostome animals that include nematodes, arthropods, and numerous…
Q: Is reproduction in sponges sexual or asexual? What is the evolutionary advantage of the occurrence…
A: Budding, gemmation, or fragmentation (regeneration) are examples of asexual reproduction in sponges,…
Q: What is the difference between schizocoelous and enterocoelous origins of a coelom?
A: A coelom is defined as a body cavity that is surrounded completely by mesoderm. The mesoderm's band…
Q: What features do all roundworms share?
A: Phylum Nemathelminthes or Aschelminthes belong to the animal Kingdom consist of roundworms. The word…
Q: What kind of body plan do grasshoppers have (sac, or tube-within-a-tube)?
A: A body plan is a group of structural and developmental characteristics that can be used to identify…
Q: What is a nauplius? What is the difference between direct and indirect development in Crustacea?
A: The ear is divided into the inner ear, middle ear or ear canal and the inner ear. The outer ear…
Q: What is the main evolutionary innovation presented by nematodes? What is the advantage of that…
A: Nematodes are bilaterally symmetrical, elongated organisms which play a vital ecological roles as…
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: How do nematodes feed, excrete metabolic wastes, move, and reproduce?
A: Nematodes, also called roundworm, belong to the phylum Nematoda. These are among the most abundant…
Q: How do nematode and annelid body plans differ?
A: Animal phylogeny is a rapidly changing field for the biologists. Even if the members of animal…
Q: how does nematodes found in the lungs of a toad impacts the toad's life?
A: Nematode, also called roundworm, any worm of the phylum nematoda. Nematodes are among the most…
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 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: 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: Explain the interaction of cuticle, body-wall muscles, and pseudocoelomic fluid in locomotion of…
A: Most Nematodes move side to side or laterally by contraction of the longitudinal muscles because all…
Q: How does an entoproct differ from an ectoproct?
A: In crustaceans like crayfish, a sac like organ called statocysts occurs that opens to the surface by…
Q: Describe the two anatomical features of roundworms that are not found in simpler organisms.
A: The roundworm as the name indicates are cylindrical shaped organisms belonging to phylum Nematoda…
Q: What are some adaptive advantages of a pseudocoel compared to the acoelomate condition?
A: In animals the body cavity (coelom) is the area or free space that contains all the organs suspended…
Q: What are the adaptations of parasitic nematodes that make them successful as endoparasites? Please…
A: Nematodes include round worms These are free living or parasitic .Body wall is made of thick…
Q: What is one of the main characteristics distinguishing arachnids from insects?
A: Arthropods are segmented invertebrate animals having a chitinous exoskeleton and jointed appendages.…
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: What is a major difference in function of the coelom in holothurians compared with other…
A: The holothurians are commonly called sea cucumbers. They have one distinct feature which separates…
Q: How does ant form its coelom?
A: Ants are insects that belong to the family Formicidae. It comes under the order Hymenoptera that…
Q: Are all flatworms parasite? What are some of the special adaptations seen in the parasitic classes…
A: About 80% flatworms parasitic in nature. Parasitic adaptation enhance the survival and reproduction…
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 evidence suggest that the nematodes and their bacterialsymbionts have coevolved?
A: The nematodes and bacteria are important members of the soil biota. There are several possibilities…
Q: How does segmentation and having a fluid-filled body cavity confer certain advantages to annelids…
A: Segmentation in annelids is highly adaptive. Annelid body is made of repeating units or segments…
Q: Describe Loeffler’s syndrome. Which of the nematodes is the condition associated with?
A: Several factors are associated with different types of infections in the body of a individual. The…
Q: With respect to nematode reproduction and reproductive structures, which of the following statements…
A: Nematodes are roundworms belonging to the phylum Nematoda and part of the Kingdom Animalia. they are…
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: What are morphological structures of flatworms?
A: Flatworms are the soft-shell bodied, much flattened acoelomate worms, such as tapeworms, flukes etc.…
Q: What are the distinguishing characteristics of insects?
A: Insects belong to the phylum Arthropoda, which is one of the most successfully evolved phylum of…
Q: How does the insect circulatory system carry out physiological insect defence mechanisms? Is there a…
A: The circulatory system present in insects differ from the circulatory system found in human body. An…
Q: What are some adaptive advantages in terms of the body structure of insects?
A: Insects are the considered to be the group of organisms that are most diverse and abundant in nature…
Q: What are the adaptations of parasitic nematodes that make them successful as endoparasites? Please…
A: Nematodes: Nematodes are roundworm-like invertebrates that live in marine, freshwater, and…
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 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: What are the structural adaptations of freshwater leech from marine ones?
A: Leeches fall under the Phylum Annelida. They are segmented parasites, meaning, they derive their…
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: what do you know about reproductive system of insects and its types? explain briefly
A: Insects belong to the group Arthropoda of the animal kingdom.
Q: What is the destination of the notochord in vertebrates and in protochordates?
A: A notochord appears in embryos as a small flexible rod made from cells from the mesoderm. It is only…
Q: Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes…
A: Platyhelminthes are flat worms that are unsegmented, acoelomates and have bilateral symmetry. They…
Step by step
Solved in 2 steps
- What is the significance of having an invariant cell lineage of the nematode, Caenorhabditis elegans?What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?How does the animal regulate the temperature of its scrotum during hot andcold climatic conditions?
- How does the insect circulatory system carry out physiological insect defence mechanisms? Is there a relationship between the size of the insect and the level of defense?Describe and label a nematocyst and the cell containing it. Describe how nematocysts fire. How does the firing mechanism and structure vary phylogenetically [among classes]?What are the checkpoints in the completion of the life cycle of nematomorphs? Would it be easier if all their host is aquatic? Why or why not? Note: This is about Likely Nematode Relatives (invertebrates zoology)
- Define the Reproduction and Development of Grasshopper ?What is the type of reproduction that occurs in roundworms? What typical feature do nematode sperm cells have?What is the function of the notochord? What organisms possess notochords throughout their lives and what organisms have notochords but degenerate in their early development?