Arthropod identity card. How are arthropods 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?

Arthropod identity card. How are arthropods 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: cockroaches, flies, crabs, lobsters, shrimps, spiders, scorpions, mites. Basic morphology: segmented body (metameric), articulated limbs, chitinous exoskeleton, periodic ecdysis. Type of symmetry: bilateral. Germ layers and coelom: triploblastics, coelomates. Digestive system: complete. Respiratory system: tracheal in insects, branchial in crustaceans, tracheal and book lungs in arachnids. Circulatory system: open, hemocyanin in crustaceans and arachnids. Excretory system: malpighian tubules in insects, green glands in crustaceans, malpighian tubules and coxal glands in arachnids. Nervous system: ganglial. Types of reproduction: sexual, with or without larval stage in insects and crustaceans, metamorphosis in some insects, no larval stage in arachnids. Phylum Mollusca Review
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Mammal identity card. How are mammals characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

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Class Reptilia identity card. How are they characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

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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?

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

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.

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

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

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

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

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).

How is arthropod reproduction characterized?

Description : How is arthropod reproduction characterized?

Last Answer : Reproduction in beings of the phylum Arthropoda is sexual, with larval stage in some insects and crustaceans (arachnids present only direct development).

Do sponges have nervous, circulatory and excretory systems?

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

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

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

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

How are the three main arthropod classes characterized according to the number of limbs?

Description : How are the three main arthropod classes characterized according to the number of limbs?

Last Answer : Most crustaceans have five pairs of limbs. Insects have three pairs and arachnids present four pairs of limbs.

How are the three main arthropod classes characterized according to the body division?

Description : How are the three main arthropod classes characterized according to the body division?

Last Answer : In crustaceans and arachnids the head is fused with the thorax forming the cephalothorax. Their body thus is divided into cephalothorax and abdomen. In insects there are head, thorax and abdomen.

How are the three main arthropod classes characterized according to the presence of antennae?

Description : How are the three main arthropod classes characterized according to the presence of antennae?

Last Answer : Crustaceans have two pairs of antennae; insects have one pair; arachnids do not have antennae.

How are the three main arthropod classes characterized according to the presence of wings?

Description : How are the three main arthropod classes characterized according to the presence of wings?

Last Answer : Crustaceans and arachnids do not have wings. Most insects have wings.

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 are the excretory systems of the three main arthropod classes constituted?

Description : How are the excretory systems of the three main arthropod classes constituted?

Last Answer : In crustaceans a pair of excretory organs called green glands exists. The green glands collect residuals from the blood and other parts of the body. They are connected by ducts to ... the limbs that also participate in excretion. Phylum Arthropoda - Image Diversity: arthropod excretory 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

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.

Open circulatory system is the one in which blood does not circulate only inside blood vessels but it also falls in cavities that irrigate tissues. In the open circulatory system the blood pressure is low and generally the blood (called hemolymph) has low cellularity. Arthropods, molluscs (the cephalopods are exception) and protochordates have open circulatory system. The Circulatory System - Image Diversity: open circulatory system

Description : Open circulatory system is the one in which blood does not circulate only inside blood vessels but it also falls in cavities that irrigate tissues. In the open circulatory system ... and protochordates have open circulatory system. The Circulatory System - Image Diversity: open circulatory system

Last Answer : What is a closed circulatory system?

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).

Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Description : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Last Answer : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three ... . If both Assertion and Reason are false.

How is the respiratory system of insects (with its independence between circulation and respiration) related to the motor agility of some species of this arthropod class?

Description : How is the respiratory system of insects (with its independence between circulation and respiration) related to the motor agility of some species of this arthropod class?

Last Answer : Even having low speed and low pressure circulatory system, since it is a lacunar (open) circulatory system, insects perform extremely fast and exhaustive movements with their muscle fibers, like wing beating. ... system that puts cells in direct contact with air. Muscles can then work fast and hard.

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.

Two methods for transmitting leprosy are a. Arthropod Bites And Fomites. b. Skin Contact And Respiratory Droplets. c. Arthropod Bites And Contaminated Food. d. Contaminated Water And Food.

Description : Two methods for transmitting leprosy are a. Arthropod Bites And Fomites. b. Skin Contact And Respiratory Droplets. c. Arthropod Bites And Contaminated Food. d. Contaminated Water And Food.

Last Answer : b. Skin Contact And Respiratory Droplets.

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

What carries the waste from the digestive tract to the anus (Arthropods)?

Description : What carries the waste from the digestive tract to the anus (Arthropods)?

Last Answer : Malpighian Tubes