Name one ecological niche that polychaetes occupy in the wild? What are some adaptations that help them survive in that niche?

Q: Describe three ways that various polychaetes obtain food.

A: Polychaetes are also known as bristle worms and they are a paraphyletic class of Annelids that are…

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: How can the features of the arthropod exoskeleton explain the terrestrial adaptation of some species…

A: The phylum Arthropoda is characterized by the presence of jointed legs, a segmented body, and an…

Q: Give the different classes of each phylum. 1. Phylum Cnidaria 2. Phylum Mollusca 3. Phylum…

A: Cnidaria  Radial symmetry, tissue level of organisation, acoelomate animals. Classification: On the…

Q: What is phylum-echinodermata with its diagram?

A: The phylum Echinodermata belong to the animal kingdom. The members of this phylum have endoskeleton…

Q: What is the most unique or interested aspect about nematodes?

A: Here we describe the most unique or interested aspect of nematodes.

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 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: How is arthropod reproduction characterized?

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

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

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

Q: Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the…

A: Planarians includes flatworms that belong to the Class Turbellaria. These are free-living organisms…

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: 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: What feature of body-wall muscles in nematodes requires a high hy-drostatic pressure in the…

A: The nematodes also known as roundworms constitute the phylum Nematoda. These  are the most…

Q: What are the classes into which the phylum Echinodermata is divided?

A: Echinoderms are the marine organisms that belong to the kingdom Animalia. They are triploblastic…

Q: What characteristics of phylum Cnidaria are most important in dis-tinguishing it from other phyla?

A: The Phylum Cnidaria includes the animals that show symmetry in the form of radial or biradial and…

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: Which myriapods occur in moist soil or leaf litter?

A: Myriapoda belongs to the subphylum of the arthropod. The myriapod is terrestrial primarily and…

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: 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: How does the number of body cavities of nematodes compare with that of flatworms?

A: Flatworms, also known as  platyhelminths, are a phylum of bilaterian, unsegmented, soft-bodied…

Q: What is the group of the phylum Chordata that first colonized the terrestrial environment? From…

A: Chordates have the following characteristics- Notochord ventral nerve cord pharyngeal gill slits…

Q: Distinguish the following groups of echinoderms from each other: Crinoidea, Asteroidea, Ophiuroidea,…

A: Unlike arthropods, the classification of echinoderms does not currently undergo any radical changes,…

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: Compare cnidarians and ctenophores, giving five ways in which they resemble each other and five ways…

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

Q: are echinodermata (brittle star) metameric?

A: Echinoderms are marine invertebrate animals belonging to kingdom Animalia characterized by a hard,…

Q: Name two of the reasons why anthropod phylum has been succesful and describe why each has…

A: Arthropoda are creatures with specifications like hard exoskeletons and jointed limbs. The phylum…

Q: cnidocytes are unique on the phylum. What are the functions of those cells and what other…

A: Phylum Cnidaria posses the specialized cells called Cnidocytes also known as stinging cells.…

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: hat features of molluscs appear in other invertebrate phyla? Explain

A: The most common properties of mollusks are covers with various vital openings used for breathing and…

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: Describe the differences in the coelomic systems between Oligochaetes and Polychaetes. How do the…

A: differences in the coelomic systems between Oligochaetes and Polychaetes Polychaetesare a subclass…

Q: What is the type of asexual reproduction that occurs in hydras?

A: Asexual reproduction: This is a type of reproduction where one parent can give rise to offspring…

Q: Why is bilateral symmetry of adaptive value for actively motile animals?

A: Bilateral symmetry is a pattern of symmetry where the opposite sides are normal or one side is…

Q: What are the characteristic features of Phylum Cnidaria and the economic importance of cnidarians?…

A: Cnidaria Also called as coelenterate, any member of the phylum cnidaria, a group made up of more…

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: Echinodermata / star fish On which surface would you find the mouth?

A: Echinoderms are the invertebrate chordates included under the largest clade characterized by…

Q: Cnidarians and ctenophores are considered diploblastic, but why might some biologists label them…

A: The process of embryonic development is characterized by the formation of the primary layers called…

Q: Briefly describe the function of antennal and maxillary glands in Crustacea.

A: Lobsters, prawns, woodlice, and crabs are some animals that are Crustaceans.

Q: What are amphisbaenians? What morphological adaptations do they have to aid in burrowing?

A: Reptiles are the tetrapod organisms and include lizards, snakes, crocodilians, and amphisbaenians.…

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: 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…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.