a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ... j. PNA____ the rate of heart beat and______
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

Description : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

Last Answer : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ... j. PNA____ the rate of heart beat and______

In which of the following reptiles, a four- chambered heart is present ?

Description : In which of the following reptiles, a four- chambered heart is present ?

Last Answer : In which of the following reptiles, a four- chambered heart is present ? A. Lizards B. Snake C. Scorpion D. Crocodile

Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal). (b) All bony fishes have four pairs of gills and an operculum on each side. (c) All sponges are marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Description : Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded ( ... marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side

Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal). (b) All bony fishes have four pairs of gills and an operculum on each side. (c) All sponges are marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Description : Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded ( ... marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side.

Choose the correct statement. (a) All mammals are viviparous. (b) All cyclostomes do not possess jaws and paired fins. (c) All reptiles have a three-chambered heart. (d) All pisces have gills covered by an operculum

Description : Choose the correct statement. (a) All mammals are viviparous. (b) All cyclostomes do not possess jaws and paired fins. (c) All reptiles have a three-chambered heart. (d) All pisces have gills covered by an operculum

Last Answer : (b) All cyclostomes do not possess jaws and paired fins.

Match the Colum-I with Column -II . `{:(,"Column-I",,"Column-II"),((A),"Fish",(i),"3-chambered heart "),((B),"Amphibia",(ii) ,"Incomplete double circu

Description : Match the Colum-I with Column -II . `{:(,"Column-I",,"Column-II"),((A),"Fish",(i),"3-chambered heart "),((B),"Amphibia",(ii) ,"Incomplete double circu

Last Answer : Match the Colum-I with Column -II . `{:(,"Column-I",,"Column-II"),((A),"Fish",(i),"3-chambered heart "),(( ... v),(iv) B rarr (i),(ii)C rarr (v),(vi)`

Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles?

Description : Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles?

Last Answer : In the majority of the amphibian species fecundation is external. This feature is common to bony fishes too and it shows that the reproductive system and the embryonic development of ... egg cells. This phenomenon does not characterize internal fecundation since the gametes unite in water.

Prawns belong to which family? (1) Crustaceans (2) Fish (3) Amphibians (4) Reptiles

Description : Prawns belong to which family? (1) Crustaceans (2) Fish (3) Amphibians (4) Reptiles

Last Answer : (1) Crustaceans Explanation: Prawn is a common name for small aquatic crustaceans with an exoskeleton and tenlegs. Prawns are also known as shrimps.

Bones are pneumatic in - (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Description : Bones are pneumatic in - (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : (4) Birds Explanation: Pneumatic boneis is hollow bone filled with air, connected to the respiratory system. Many of a bird's bones are pneumatic, with struts across their ... , certain physical characteristics are required. Flying birds have evolved reduced weight through several characteristics.

Syrinx is the voice box in - (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Description : Syrinx is the voice box in - (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Last Answer : (3) Birds Explanation: Syrinx is the name for the vocal organ of birds. Located at the base of a bird's trachea, it produces sounds without the vocal cords of mammals. The sound is ... the membrana tympaniformis (the walls of the syrinx) and the pessulus caused by air flowing through the syrinx.

Compare the following characteristics of amphibians and reptiles.

Description : Compare the following characteristics of amphibians and reptiles.

Last Answer : Characteristics 1. Skin 2. Digits in limbs 3. Fertilization Amphibians Soft & Moist Four in fore limbs External Reptiles Hard & Dry Five in both fore & hind limbs Internal

Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.

Description : Uricotelic mode of excreting nitrogenous wastes is found in (a) reptiles and birds (b) birds and annelids (c) amphibians and reptiles (d) insects and amphibians.

Last Answer : (a) reptiles and birds

Amongst the animal groups given below, which one appears to be more vulnerable to extinction? A. Insects B. Mammals C. Amphibians D. Reptiles

Description : Amongst the animal groups given below, which one appears to be more vulnerable to extinction? A. Insects B. Mammals C. Amphibians D. Reptiles

Last Answer : C. Amphibians

Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Description : Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Last Answer : ANSWER: C -- CARTILAGINOUS FISH

Bones are pneumatic in (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Description : Bones are pneumatic in (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : Birds

Syrinx is the voice box in (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Description : Syrinx is the voice box in (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Last Answer : Birds

Which class of animals has four-chambered heart ?

Description : Which class of animals has four-chambered heart ?

Last Answer : The heart of mammals has four chambers.

Three chambered heart is found in `:-`

Description : Three chambered heart is found in `:-`

Last Answer : Three chambered heart is found in `:-` A. Fish B. Frog C. Rabbit D. Man

Pneumatic bones, four chambered heart and feathers occur in

Description : Pneumatic bones, four chambered heart and feathers occur in

Last Answer : Pneumatic bones, four chambered heart and feathers occur in A. Cyclostmata B. Aves C. Mammilia D. Reptilia

Two chambered heart is present in class

Description : Two chambered heart is present in class

Last Answer : Pisces.

Is there any relationship between warm blooded conditions and four chambered heart?

Description : Is there any relationship between warm blooded conditions and four chambered heart?

Last Answer : One of the major evolutionary adaptations that allowed animals to become warm-blooded was the formation of the four-chambered heart. Four chambers mean no mixing of deoxygenated and oxygenated blood, and thus, more oxygen gets to the tissues.

A reptile with a four-chambered heart is-------? A. Snake B. Turtle C. Lizard D. Crocodile (Answer)

Description : A reptile with a four-chambered heart is-------? A. Snake B. Turtle C. Lizard D. Crocodile (Answer)

Last Answer : D. Crocodile (Answer)

Which one of the following characteristics is common both in humans and adult frogs? (a) Four chambered heart (b) Internal fertilisation (c) Nucleated RBCs (d) Ureotelic mode of excretion

Description : Which one of the following characteristics is common both in humans and adult frogs? (a) Four chambered heart (b) Internal fertilisation (c) Nucleated RBCs (d) Ureotelic mode of excretion

Last Answer : (c) Nucleated RBCs

Consider the following four statements (A–D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F). Statements: A. On dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days. B. It has four-chambered heart. C. On dry land it turns uricotelic from ureotelic. D. Its life-history is carried out in pond water. A B C D (a) T F F T (b) T T F F (c) F F T T (d) F T T F

Description : Consider the following four statements (A-D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F). Statements: A. On dry land it would die due to lack of O2 if ... C D (a) T F F T (b) T T F F (c) F F T T (d) F T T F

Last Answer : (a) T F F T

One of the following is a very unique feature of the mammalian body (a) homeothermy (b) presence of diaphragm (c) four chambered heart (d) rib cage

Description : One of the following is a very unique feature of the mammalian body (a) homeothermy (b) presence of diaphragm (c) four chambered heart (d) rib cage

Last Answer : (b) presence of diaphragm

Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Description : Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Last Answer : (d) (i), (iii) and (iv)

Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart

Description : Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart

Last Answer : (c) Scales on their hind limbs

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - Three chambered crocodile heart (c) Ascaris and - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Last Answer : (d) Sea horse and - Cold blooded flying fish

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - Three chambered crocodile heart (c) Ascaris and - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Last Answer : (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3–chambered heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Description : Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3- ... heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Last Answer : (c) Cartilaginous endoskeleton

One of the two thin walled chambers that received blood into the heart from the veins?

Description : One of the two thin walled chambers that received blood into the heart from the veins?

Last Answer : arteries

The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. (a) B - Capillary-Thin without muscle layer and wall two cell layers thick (b) C - Vein-Thin walled and blood flows in jerks/ spurts (c) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg (d) A - Artery-Thick walled and blood flows evenly

Description : The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. (a) B - Capillary-Thin without muscle layer and ... blood to heart, pO2 = 95 mmHg (d) A - Artery-Thick walled and blood flows evenly

Last Answer : (c) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg

Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Description : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Last Answer : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated ... . If both Assertion & Reason are false.

Organ systems which are exposed to external environment are protected from bacteria by presence of ___________. a)mucus membrane b)HCl c)hairs d)plug

Description : Organ systems which are exposed to external environment are protected from bacteria by presence of ___________. a)mucus membrane b)HCl c)hairs d)plug

Last Answer : a)mucus membrane

Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Description : Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Last Answer : (3) Fishes Explanation: There are over 20,000 species of fish, divided into three groups : bony fish, cartilaginous fish and jawiess fish. Bony fish, which are the most numerous, have ... and sandpaper-like skin. The primitive jawless fish have sucker-like mouths, and include lampreys and hagfish.

A heart with a single atrium and single ventricle is a characteristic of adult: a) amphibians b) arthropods c) birds d) fish

Description : A heart with a single atrium and single ventricle is a characteristic of adult: a) amphibians b) arthropods c) birds d) fish

Last Answer : ANSWER: D -- FISH

Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Description : Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Last Answer : Fishes

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

Among reptiles, the heart is incompletely divided into four chambers only in

Description : Among reptiles, the heart is incompletely divided into four chambers only in

Last Answer : crocodiles.

In some reptiles, heart is

Description : In some reptiles, heart is

Last Answer : incomplete four chambered.

Are Gibson Les Paul Customs chambered?

Description : Are Gibson Les Paul Customs chambered?

Last Answer : Since I am a Fender guy….I did find this commentary by a guitarist who was more familiar with your question and perhaps can offer some insight to your question.

Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.

Description : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.

Last Answer : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an ... . D. If both Assertion & Reason are false.

$ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! Human beings have four chambered hea

Description : $ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! Human beings have four chambered hea

Last Answer : $ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! ... D. If both As and R are wrong.

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in (a) guava (b) cucumber (c) pomegranate (d) orange.

Description : The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in (a) guava (b) cucumber (c) pomegranate (d) orange.

Last Answer : (c) pomegranate

In what way does Apple's "walled garden" inconvenience you as a user?

Description : In what way does Apple's "walled garden" inconvenience you as a user?

Last Answer : Apple has just as much crapware, so that argument falls flat. The big difference is that the Android Market isn’t censored arbitrarily. I’ve had just as many (actually, more) broken apps on my iPod as on my Droid.

Do bell peppers need shade to avoid sun burn or to grow thicker walled peppers

Description : Do bell peppers need shade to avoid sun burn or to grow thicker walled peppers

Last Answer : Bell peppers lopve the sun, but needs plenty of water for the first 2 months of life, for bigger and tastier peppers, full sunlight and water the peppers in the early morning before the sun is at high noon, and you will do fine.

the walled, upward extension of the nave that is pierced with windows is called the -General Knowledge

Description : the walled, upward extension of the nave that is pierced with windows is called the -General Knowledge

Last Answer : clerestory is the answer.

$ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Description : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Last Answer : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also ... wrong D. If both As and R are wrong.