What are the types of digestion and of digestive system of platyhelminthes?

What are the types of digestion and of digestive system of platyhelminthes?
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Flatworms have incomplete digestive systems and they present extracellular and intracellular complementary digestions. Image Diversity: platyhelminth digestive system
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Platyhelminth identity card. How are platyhelminthes characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Description : Platyhelminth identity card. How are platyhelminthes characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Last Answer : Examples of representing beings: planarias, schistosomes, taenias. Basic morphology: flat worm. Type of symmetry: bilateral. Germ layers and coelom: triploblastics, acoelomates. Digestive system: ... , beginning of cephalization. Types of reproduction: asexual and sexual. Phylum Nematoda Review

What is the difference between a complete digestive system and an incomplete digestive system? How are these types of digestive tubes associated or not to extracellular digestion?

Description : What is the difference between a complete digestive system and an incomplete digestive system? How are these types of digestive tubes associated or not to extracellular digestion?

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Besides the liver which is the other adnexal gland of the digestive system that releases substances in the duodenum participating in extracellular digestion?

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

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Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.

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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?

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Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?

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Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory system?

Description : Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory system?

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Which is the animal of Platyhelminthes episode ?

Description : Which is the animal of Platyhelminthes episode ?

Last Answer : The tapeworm is an animal of the Platyhelminthes episode.

In constrast to annelids the Platyhelminthes show

Description : In constrast to annelids the Platyhelminthes show

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In platyhelminthes, the excretory organs are

Description : In platyhelminthes, the excretory organs are

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Comment on the reproduction of the members of the phylum Platyhelminthes.

Description : Comment on the reproduction of the members of the phylum Platyhelminthes.

Last Answer : Comment on the reproduction of the members of the phylum Platyhelminthes.

Mention the unique features of phylum Platyhelminthes.

Description : Mention the unique features of phylum Platyhelminthes.

Last Answer : Mention the unique features of phylum Platyhelminthes.

Is a jellyfish a platyhelminthes?

Description : Is a jellyfish a platyhelminthes?

Last Answer : Need answer

Are Platyhelminthes acoelomates, pseudocoelomates or coelomates?

Description : Are Platyhelminthes acoelomates, pseudocoelomates or coelomates?

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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).

Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes brought? How was that problem solved?

Description : Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes brought? How was that problem solved?

Last Answer : The cylindrical shape of nematodes made impossible the respiration exclusively by simple diffusion among cells since there are tissues far from the exterior. This problem was solved by the ... respiration is cutaneous; it is considered that these animals still make respiration by diffusion).

What is the typical morphological feature of nematodes that differentiates them from platyhelminthes?

Description : What is the typical morphological feature of nematodes that differentiates them from platyhelminthes?

Last Answer : Nematodes are also known as roundworms. As the name indicates they are not flat like platyhelminthes. In evolutionary grounds with the nematodes the first complete digestive system appears, with mouth and anus, and the pseudocoelom is also a novelty.

What are the main human diseases caused by platyhelminthes?

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Last Answer : The main human diseases caused by platyhelminthes are schistosomiasis, tapeworm disease (cestodiasis) and cysticercosis. (Note:Diseases are studied in the “Diseases” division of this site.)

Into which classes are platyhelminthes divided? How are these classes characterized and what are some representative beings of each of them?

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Last Answer : Platyhelminthes are divided into three classes: turbellarians (or Turbellaria), trematodes (or Trematoda) and cestodes (or Cestoda). Turbellarians are free-living platyhelminthes and their ... saginata and Taenia solium) that parasite humans. Image Diversity: turbellarians trematodes cestodes

What is the type of reproduction, sexual or asexual, that occurs in platyhelminthes?

Description : What is the type of reproduction, sexual or asexual, that occurs in platyhelminthes?

Last Answer : Platyhelminthes may present sexual or asexual reproduction.

How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?

Description : How many germ layers originate the body of platyhelminthes? In relation to this characteristic how are these animals classified?

Last Answer : Platyhelminthes are the first triploblastic animals (remember that cnidarians are diploblastic), i.e., they present three germ layers: ectoderm, mesoderm and endoderm.

What is the main external morphological feature that differentiates platyhelminthes from other worms (nematodes)?

Description : What is the main external morphological feature that differentiates platyhelminthes from other worms (nematodes)?

Last Answer : Platyhelminthes are also known as flatworms because they are worms with a flat body. This is the main external morphological feature that differentiates them from nematodes (roundworms).

Crabs belongs to the phylum – (1) Mollusca (2) Cnidaria (3) Arthropoda (4) Platyhelminthes

Description : Crabs belongs to the phylum – (1) Mollusca (2) Cnidaria (3) Arthropoda (4) Platyhelminthes

Last Answer : (3) Arthropoda Explanation: Crabs come from the same family as lobsters, crayfish, shrimp, krill and barnacles, as all are in the subphylum crustacea. They are also in the phylum Arthropoda.

'Crabs' belongs to the phylum of – (1) Mollusca (2) Cnidaria (3) Arthropoda (4) Platyhelminthes

Description : 'Crabs' belongs to the phylum of – (1) Mollusca (2) Cnidaria (3) Arthropoda (4) Platyhelminthes

Last Answer : (3) Arthropoda Explanation: Crabs come from the same family as lobsters, crayfish, shrimp, krill and barnacles, as all are in the subphylum crustacea. They are also in the phylum Arthropoda.

Write down the characteristics of phylum Platyhelminthes.

Description : Write down the characteristics of phylum Platyhelminthes. 

Last Answer : i) They are also called flat worms because their body is flattened. ii) These are triploblastic animals. So their body is divided into three layers. Ectoderm, Mesoderm and Endoderm. iii) ... of other animals. iv) Their common examples are Liver Fluke, Tapeworm and Planaria etc. 

Helminthology is the study of Phylum C A. Platyhelminthes B. Nemathelminths C. Both D. None

Description : Helminthology is the study of Phylum C A. Platyhelminthes B. Nemathelminths C. Both D. None

Last Answer : Both

Members of Phylum Platyhelminthes are A A. Dorsoventrally flattened B. Laterally Compressed C. Round D. None

Description : Members of Phylum Platyhelminthes are A A. Dorsoventrally flattened B. Laterally Compressed C. Round D. None

Last Answer : Dorsoventrally flattened

Phylum Platyhelminthes includes B A. Round worms B. Flatworms C. Thorny headed worms D. All of above

Description : Phylum Platyhelminthes includes B A. Round worms B. Flatworms C. Thorny headed worms D. All of above

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Peripatus is a connecting link between (a) mollusca and echinodermata (b) annelida and arthropoda (c) coelenterata and porifera (d) ctenophora and platyhelminthes

Description : Peripatus is a connecting link between (a) mollusca and echinodermata (b) annelida and arthropoda (c) coelenterata and porifera (d) ctenophora and platyhelminthes

Last Answer : (b) annelida and arthropoda

.Which of the following is an example of platyhelminthes? (a) Plasmodium (b) Schistosoma (c) Trypanosoma (d) Wuchereria

Description : .Which of the following is an example of platyhelminthes? (a) Plasmodium (b) Schistosoma (c) Trypanosoma (d) Wuchereria

Last Answer : (b) Schistosoma

Solenocytes are the main excretory structures in (a) echinodermates (b) platyhelminthes (c) annelids (d) molluscs.

Description : Solenocytes are the main excretory structures in (a) echinodermates (b) platyhelminthes (c) annelids (d) molluscs.

Last Answer : (b) platyhelminthes

In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Description : In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Last Answer : (a) absence of body cavity

Which one of the following is a matching set of a phylum and its three examples? (a) Porifera - Spongilla, Euplectella, Pennatula (b) Cnidaria - Bonellia, Physalia, Aurelia (c) Platyhelminthes - Planaria, Schistosoma, Enterobius (d) Mollusca - Loligo, Teredo, Octopus

Description : Which one of the following is a matching set of a phylum and its three examples? (a) Porifera - Spongilla, Euplectella, Pennatula (b) Cnidaria - Bonellia, Physalia, Aurelia (c) Platyhelminthes - Planaria, Schistosoma, Enterobius (d) Mollusca - Loligo, Teredo, Octopus

Last Answer : (d) Mollusca - Loligo, Teredo, Octopus

Match the following genera with their respective phylum. (1) Ophiura (i) Mollusca (2) Physalia (ii) Platyhelminthes (3) Pinctada (iii)Echinodermata (4) Planaria (iv) Coelenterata(a) (1)-(iv), (2)-(i), (3)-(iii), (4)-(ii) (b) (1)-(iii), (2)-(iv), (3)-(i), (4)-(ii) (c) (1)-(i), (2)-(iii), (3)-(iv), (4)-(ii) (d) (1)-(iii), (2)-(iv), (3)-(ii), (4)-(i)

Description : Match the following genera with their respective phylum. (1) Ophiura (i) Mollusca (2) Physalia (ii) Platyhelminthes (3) Pinctada (iii)Echinodermata (4) Planaria (iv) Coelenterata (a) (1)-(iv), (2)-(i), (3)-(iii), (4)-(ii) (b) (1)-( ... , (3)-(iv), (4)-(ii) (d) (1)-(iii), (2)-(iv), (3)-(ii), (4)-(i)

Last Answer : (b) (1)-(iii), (2)-(iv), (3)-(i), (4)-(ii)

Bilaterally symmetrical and acoelomate animals are exemplified by (a) ctenophora (b) platyhelminthes (c) aschelminthes (d) annelida

Description : Bilaterally symmetrical and acoelomate animals are exemplified by (a) ctenophora (b) platyhelminthes (c) aschelminthes (d) annelida

Last Answer : (b) platyhelminthes

Metameric segmentation is the characteristic of (a) mollusca and chordata (b) platyhelminthes and arthropoda(c) echinodermata and annelida (d) annelida and arthropoda.

Description : Metameric segmentation is the characteristic of (a) mollusca and chordata (b) platyhelminthes and arthropoda (c) echinodermata and annelida (d) annelida and arthropoda.

Last Answer : (d) annelida and arthropoda.

Which one of the following statements about certain given animals is correct? (a) Roundworms (Aschelminthes) are pseudo- coelomates. (b) Molluscs are acoelomates. (c) Insects are pseudocoelomates. (d) Flatworms (Platyhelminthes) are

Description : Which one of the following statements about certain given animals is correct? (a) Roundworms (Aschelminthes) are pseudo- coelomates. (b) Molluscs are acoelomates. (c) Insects are pseudocoelomates. (d) Flatworms (Platyhelminthes) are

Last Answer : (a) Roundworms (Aschelminthes) are pseudo- coelomates.

Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Description : Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Last Answer : (d) Annelids

An animal kept in a jar has the following features. (I) It is bilaterally symmetrical. (II) It has coelomic cavity (Ill) The body is segmented (IV) It has jointed appendages. To which phylum does the animal belong to? (1) Arthropoda (2) Annelida (3) Platyhelminthes (4) Mollusca

Description : An animal kept in a jar has the following features. (I) It is bilaterally symmetrical. (II) It has coelomic cavity (Ill) The body is segmented (IV) It has jointed appendages. To which phylum does the animal belong to? (1) Arthropoda (2) Annelida (3) Platyhelminthes (4) Mollusca

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