How does digestion in beings of the phylum Annelida work and which type of digestive system do they have?

How does digestion in beings of the phylum Annelida work and which type of digestive system do they have?
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Digestion in beings of the phylum Annelida is extracellular. These animals have a complete digestive system, with mouth and anus. Image Diversity: earthworm digestive system
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How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Description : How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Last Answer : Annelids have a nervous system made of two ventral chords and one relatively big nervous cell concentration in its anterior portion resembling a primitive brain. Nematodes have an anterior neural ... is more outstanding than in nematodes or in flatworms. Image Diversity: earthworm nervous system

How is the respiratory system of beings of the phylum Annelida characterized?

Description : How is the respiratory system of beings of the phylum Annelida characterized?

Last Answer : Respiration in annelids can be cutaneous or branchial. Cutaneous respiration occurs due to the rich vascularity under the epidermis. The gills, present in aquatic annelids, are located in the parapodia (false claws) that have an extensive capillary net. Image Diversity: annelid respiratory system

Concerning the occurrence of separated sexes how are the beings of the phylum Annelida classified?

Description : Concerning the occurrence of separated sexes how are the beings of the phylum Annelida classified?

Last Answer : These beings may be dioecious (the majority of polychaetes) or hermaphrodite monoecious (oligochaetes and hirudineans).

How can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?

Description : How can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?

Last Answer : In these beings there are a longitudinal muscular layer under the epidermis and, internally juxtaposed and perpendicular to it, another circular (radial to the axis) muscular layer. The ... of elongating the body while the longitudinal shortens it. By alternating actions both promote movement.

What is meant when it is said that beings of the phylum Annelida are vascular beings? From which other phyla of the animal kingdom does this feature differentiate them?

Description : What is meant when it is said that beings of the phylum Annelida are vascular beings? From which other phyla of the animal kingdom does this feature differentiate them?

Last Answer : The classification of these beings as vascular beings means that they have a circulatory system, with vessels that distribute substances throughout the body. Poriferans, cnidarians and flatworms do ... system. In nematodes there is circulation of gases and nutrients through the pseudocoelom fluid.

What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods?

Description : What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods?

Last Answer : The metameric feature, i.e., the body segmentation in metameres, approximates annelids to arthropods since these animals are segmented beings too. (Bristles present in oligochaete and polychaete annelids are also covered with chitin, the same substance of the arthropod exoskeleton.)

Which are the morphological features that differentiate the beings of the phylum Annelida from nematodes and platyhelminthes?

Description : Which are the morphological features that differentiate the beings of the phylum Annelida from nematodes and platyhelminthes?

Last Answer : Platyhelminthes are worms with flat bodies (flatworms), nematodes are worms with cylindrical but not segmented bodies (roundworms). Annelids are cylindrical worms with segmented bodies (they are metameric).

What is the type of digestive system present in beings of the phylum Arthropoda? Are these animals protostomes or deuterostomes?

Description : What is the type of digestive system present in beings of the phylum Arthropoda? Are these animals protostomes or deuterostomes?

Last Answer : The digestive tube of arthropods is complete, containing mouth and anus. Arthropods are protostome animals, i.e., in their embryonic development the blastopore originates the mouth.

Which one of the following is not a characteristic of Phylum Annelida? (a) Pseudocoelom (b) Ventral nerve cord (c) Closed circulatory system (d) Segmentation

Description : Which one of the following is not a characteristic of Phylum Annelida? (a) Pseudocoelom (b) Ventral nerve cord (c) Closed circulatory system (d) Segmentation

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Which Scientists has established the ‘Phylum Annelida’? -Do You Know?

Description : Which Scientists has established the ‘Phylum Annelida’? -Do You Know?

Last Answer : answer:

Which one of the following is NOT a characteristic of phylum Annelida

Description : Which one of the following is NOT a characteristic of phylum Annelida

Last Answer : Which one of the following is NOT a characteristic of phylum Annelida A. Closed circulatory ... Segmentation C. Pseudocoelom D. Ventral nerve cord

Enlist the characteristic features of phylum Annelida.

Description : Enlist the characteristic features of phylum Annelida.

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Insects belong to the phylum (a) Annelida (b) Arthropoda (c) Crustaceans (d) Coelenterate

Description : Insects belong to the phylum (a) Annelida (b) Arthropoda (c) Crustaceans (d) Coelenterate

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Into which classes is the phylum Annelida divided?

Description : Into which classes is the phylum Annelida divided?

Last Answer : The phylum is divided into three classes: oligochaetes (for example, earthworms), hirudineans (e.g., leeches) and polychaetes (these are mostly marine aquatic with parapodia, like nereis). Image Diversity: oligochaetes polychaetes hirudineans

Which among the following has segmented body? (1) Phylum Mollusca. (2) Phylum Arthopoda (3) Phylum Annelida (4) Phylum Coelenterata

Description : Which among the following has segmented body? (1) Phylum Mollusca. (2) Phylum Arthopoda (3) Phylum Annelida (4) Phylum Coelenterata

Last Answer : (3) Phylum Annelida Explanation: The Annelida, also known as the ringed worms or segmented worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches.

Which Scientists has established the ‘Phylum Annelida’?

Description : Which Scientists has established the ‘Phylum Annelida’?

Last Answer : Lamark

What are animals belonging to Phylum Annelida commonly known?

Description : What are animals belonging to Phylum  Annelida commonly known?

Last Answer : Segmented worms

Write down the characteristics of phylum Annelida?

Description : Write down the characteristics of phylum Annelida?  

Last Answer : i) They are found in moist soil, ponds, river and sea. ii) Most animals are free living but some are parasites. iii) Their bodies have external and internal segmentation called metameric ... , circulatory, reproductive and excretory systems. v) Their common examples are earthworm, neries etc.  

The birds belong to the following Class of the Phylum Chordata B A. Crustacea B. Aves C. Amphibia D. Annelida

Description : The birds belong to the following Class of the Phylum Chordata B A. Crustacea B. Aves C. Amphibia D. Annelida

Last Answer : Aves

The birds belong to the following Class of the Phylum Chordata B A. Crustacea B. Aves C. Amphibia D. Annelida

Description : The birds belong to the following Class of the Phylum Chordata B A. Crustacea B. Aves C. Amphibia D. Annelida

Last Answer : Aves

Exoskeleton, a segmented body and jointed appendages are attributed to phylum C A. Annelida B. Porifera C. Arthropoda D. Mollusca

Description : Exoskeleton, a segmented body and jointed appendages are attributed to phylum C A. Annelida B. Porifera C. Arthropoda D. Mollusca

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In which one of the following the genus name, its two characters and its class/phylum are correctly matched?(a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) Salamandra (i) A tympanum Amphibia represents ear (ii) Fertilization is external (c) Pteropus (i) Skin possesses Mammalia hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization

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The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum (a) Annelida (b) Mollusca (c) Cnidaria (d) Echinodermata.

Description : The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum (a) Annelida (b) Mollusca (c) Cnidaria (d) Echinodermata.

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