Annelid Identity card. How are they 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?

Annelid Identity card. How are they 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?
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Examples of representing beings: earthworms, leeches, lugworms. Basic morphology: cylindrical body, segmented (metameric). Type of symmetry: bilateral. Germ layers and coelom: triploblastics, coelomates. Digestive system: complete. Respiratory system: cutaneous or branchial. Circulatory system: closed, with hemoglobin. Excretory system: a pair of metanephridia in each metamere. Nervous system: neural chords, a pair of ganglia per metamere, anterior concentration of neurons (primitive brain). Types of reproduction: sexual, with dioecious and monoecious beings. Phylum Arthopoda Review
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Fish identity card. How are fishes characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

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Description : Concerning germ layers and the presence of coelom how are arthropods characterized?

Last Answer : Arthropods are triploblastic (they have three germ layers) and coelomate beings.

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Description : Insecticides are specific inhibitors of— (A) Excretory system (B) Digestive system (C) Nervous system (D) Blood Circulatory system

Last Answer : (D) Blood Circulatory system

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Description : Which body system coordinates activities of body parts by releasing hormones into the blood? A) nervous system B) digestive system C) respiratory system D) circulatory system E) endocrine system

Last Answer : E) endocrine system

What two systems help us get nutrients from our food and deliver them throughout our body? a) Respiratory and Nervous b) Digestive and Circulatory c) Circulatory and Respiratory d) Respiratory and Digestive

Description : What two systems help us get nutrients from our food and deliver them throughout our body? a) Respiratory and Nervous b) Digestive and Circulatory c) Circulatory and Respiratory d) Respiratory and Digestive

Last Answer : b) Digestive and Circulatory

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Description : Do sponges have nervous, circulatory and excretory systems?

Last Answer : Sponges do not have a nervous system neither circulatory system nor excretory system.

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Description : How are the symmetry and the nervous system characterized in echinoderms?

Last Answer : Adult echinoderms, along with cnidarians, are the animals that present radial symmetry, i.e., their body structures are distributed around a center. The radial symmetry in echinoderms however ... to follow the pentaradial structure of the body. Phylum Echinodermata - Image Diversity: radial symmetry

Hypersensitivity refers to undesirable reactions produced by a) circulatory system b) Respiratory system c) Immune System d) Endocrine system e) Autonomic nervous system

Description : Hypersensitivity refers to undesirable reactions produced by a) circulatory system b) Respiratory system c) Immune System d) Endocrine system e) Autonomic nervous system

Last Answer : Ans: C

Chemical regulation of the body involves which system: a) lymphatic b) respiratory c) circulatory d) nervous e) endocrine

Description : Chemical regulation of the body involves which system: a) lymphatic b) respiratory c) circulatory d) nervous e) endocrine

Last Answer : ANSWER: E -- ENDOCRINE

Deficiency of pantothenic acid in human beings can affect (A) Nervous system (B) Digestive system (C) Both (A) and (B) (D) None of these

Description : Deficiency of pantothenic acid in human beings can affect (A) Nervous system (B) Digestive system (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

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

In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Description : In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Last Answer : ANSWER: C

In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Description : In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Last Answer : ANSWER: C

In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Description : In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Last Answer : ANSWER: C

In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Description : In human body Gall Bladder is part of the _________ system. A. Nervous B. Reproductory C. Digestive D. Respiratory

Last Answer : ANSWER: C

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

How is the circulatory system of reptiles characterized? What is the basic difference between the reptile and the amphibian heart?

Description : How is the circulatory system of reptiles characterized? What is the basic difference between the reptile and the amphibian heart?

Last Answer : The circulatory system of beings of the class Reptilia is similar to the amphibian, closed and incomplete. Although the heart presents three chambers (two atria and one ventricle) in reptiles ... septation and the mixture of arterial with venous blood is lessened. Image Diversity: reptilian heart

Is there a respiratory pigment in the annelid blood?

Description : Is there a respiratory pigment in the annelid blood?

Last Answer : The blood in beings of the phylum Annelida contains the respiratory pigment hemoglobin (the same found in chordates) and other pigments too.

In the given table which phyla is correctly matched with its levels of organisation, symmetry and coelom ?

Description : In the given table which phyla is correctly matched with its levels of organisation, symmetry and coelom ?

Last Answer : In the given table which phyla is correctly matched with its levels of organisation, symmetry and coelom ?

Select incorrect matching of animlas, their body symmetry , and coelom.

Description : Select incorrect matching of animlas, their body symmetry , and coelom.

Last Answer : Select incorrect matching of animlas, their body symmetry , and coelom.

The figures (A – D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) (B) and (C) show radial symmetry. (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom

Description : The figures (A - D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) ... . (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom

Last Answer : (d) (C) and (D) have a true coelom.

How are animals classified according to the germ layers present in their embryonic development ?

Description : How are animals classified according to the germ layers present in their embryonic development ?

Last Answer : Cnidarians are diploblastic, i.e., they present only endoderm and ectoderm. With the exception of poriferans, all remaining animals are triploblastic. Poriferans do not present differentiated tissue ... not classify regarding germ layers (although sometimes they are mentioned as diploblastic).

How are animals classified according to the germ layers present in their embryonic development ?

Description : How are animals classified according to the germ layers present in their embryonic development ?

Last Answer : Cnidarians are diploblastic, i.e., they present only endoderm and ectoderm. With the exception of poriferans, all remaining animals are triploblastic. Poriferans do not present differentiated tissue ... not classify regarding germ layers (although sometimes they are mentioned as diploblastic).

Ascaris is characterized by (a) presence of true coelom but absence of metamerism (b) presence of true coelom and metamerism (metamerisation) (c) absence of true coelom but presence of metamerism (d) presence of neither true coelom nor metamerism.

Description : Ascaris is characterized by (a) presence of true coelom but absence of metamerism (b) presence of true coelom and metamerism (metamerisation) (c) absence of true coelom but presence of metamerism (d) presence of neither true coelom nor metamerism.

Last Answer : (d) presence of neither true coelom nor metamerism.

What are the three types of germ layers that form tissues and organs in animals ?

Description : What are the three types of germ layers that form tissues and organs in animals ?

Last Answer : The three germ layers are the ectoderm, the mesoderm, and the endoderm. 39. How is the mesoderm (third germ layer) of triploblastic animals formed? The mesoderm appears from differentiation of endodermal cells that cover the dorsal region of the archenteron.

What are the three types of germ layers that form tissues and organs in animals ?

Description : What are the three types of germ layers that form tissues and organs in animals ?

Last Answer : The three germ layers are the ectoderm, the mesoderm, and the endoderm. Image Diversity: germ layers

The ability of liver to remove a dye like BSP from the blood suggests a normal (A) Excretory function (B) Detoxification function (C) Metabolic function (D) Circulatory function

Description : The ability of liver to remove a dye like BSP from the blood suggests a normal (A) Excretory function (B) Detoxification function (C) Metabolic function (D) Circulatory function

Last Answer : Answer : A

Jaundice is a disorder of (a) excretory system (b) skin and eyes (c) digestive system (d) circulatoy system.

Description : Jaundice is a disorder of (a) excretory system (b) skin and eyes (c) digestive system (d) circulatoy system.

Last Answer : (c) digestive system

Can colony morphology help to determine the identity of bacteria?

Description : Can colony morphology help to determine the identity of bacteria?

Last Answer : Need answer

The nervous system develops from which germ layer? a) ectoderm b) mesoderm c) endoderm d) none of the above

Description : The nervous system develops from which germ layer? a) ectoderm b) mesoderm c) endoderm d) none of the above 

Last Answer : ANSWER: A -- ECTODERM

Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction

Description : Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction

Last Answer : Ans. ((b))

How is the excretory system of molluscs characterized?

Description : How is the excretory system of molluscs characterized?

Last Answer : Molluscs have one or two pair of spongelike nephridia, similar to kidneys.

How is the circulatory system of birds characterized?

Description : How is the circulatory system of birds characterized?

Last Answer : Birds, like every vertebrate, have a closed circulatory system. The heart is similar to the mammalian heart, having four chambers (two atria and two ventricles) and with no mixture of venous and arterial ... down to the left and in birds it curves down to the right). Image Diversity: avian heart

Which type of circulatory system do molluscs have? How can it be compared to the respiratory system of annelids?

Description : Which type of circulatory system do molluscs have? How can it be compared to the respiratory system of annelids?

Last Answer : Molluscs, with the exception of cephalopods, have an open circulatory system, i.e., the blood circulates within vessels, from the heart, but it also fills open lacunas or cavities. In ... .e., the blood circulates only inside blood vessels. Mollusca - Image Diversity: mollusc circulatory system

What is the type of circulatory system present in arthropods? Do these animals have heart and respiratory pigments?

Description : What is the type of circulatory system present in arthropods? Do these animals have heart and respiratory pigments?

Last Answer : In arthropods the respiratory system is open (lacunar). Blood, also known as hemolymph, is pumped by a heart and falls into cavities (lacunas) irrigating and draining tissues. All arthropods have ... blood does not carry gases (in them gases reach tissues and cells through tracheal structures).

Which are the germ layers present in cnidarians? Which tissues of the animal do they originate?

Description : Which are the germ layers present in cnidarians? Which tissues of the animal do they originate?

Last Answer : These beings present ectoderm and endoderm, two germ layers. Animals with only two germ layers are called diploblastic animals. The ectoderm gives birth to the epidermis and the endoderm originates the covering of the digestive cavity. Image Diversity: germ layers

The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of neurons in the brains and the spinal cord (central nervous system, CNS) allowed the increase of the interaction complexity between these animals and the environment. Receptor (afferent conduction) and efferent (motor, regulatory and behavioral reactions) functions come out more sophisticated in chordates due to the presence of more well-developed neural networks. These features have been preserved by evolution as they provide adaptive advantage to their owners.

Description : The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of ... These features have been preserved by evolution as they provide adaptive advantage to their owners.

Last Answer : How can the tubular-dorsal nervous system in chordates be compared to the nervous pattern present in invertebrates?