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

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

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

Sound box of birds is called (a) pygostyle (b) larynx (c) syrinx (d) synsacrum.

Description : Sound box of birds is called (a) pygostyle (b) larynx (c) syrinx (d) synsacrum.

Last Answer : (c) syrinx

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.

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

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

Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better developed by the presence of

Description : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better developed by the presence of

Last Answer : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better ... Only ribs C. Only costal muscles D. Diaphragm

Classify the following animals are reptiles, mammals, birds and fish.

Description : Classify the following animals are reptiles, mammals, birds and fish.

Last Answer : a) Blue whale----Mammals b) Cobra--------Reptile c) Panda--------Mammal d) Ostrich-------Bird e) Penguin------Bird f) Kiwi----------Bird g) Shark--------Fish h) Alligator -----Reptile i) Dolphin-------Mammal j) Tortoise------Reptile

Which group of vertebrates comprises the highest number of endangered species? (a) Mammals (b) Fishes (c) Reptiles (d) Birds

Description : Which group of vertebrates comprises the highest number of endangered species? (a) Mammals (b) Fishes (c) Reptiles (d) Birds

Last Answer : (a) Mammals

Uricotelism is found in (a) mammals and birds (b) fish and fresh water protozoans (c) birds, land reptiles and insects (d) frogs and toads.

Description : Uricotelism is found in (a) mammals and birds (b) fish and fresh water protozoans (c) birds, land reptiles and insects (d) frogs and toads.

Last Answer : (c) birds, land reptiles and insects

Eggs leave the female bird's body through the: a) oviduct b) cloaca c) syrinx (pron: sir-inks) d) urinary tract

Description : Eggs leave the female bird's body through the: a) oviduct b) cloaca c) syrinx (pron: sir-inks) d) urinary tract

Last Answer : ANSWER: B -- CLOACA

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______

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______

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.

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

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

What is the difference between mammals and amphibians?

Description : What is the difference between mammals and amphibians?

Last Answer : Amphibians lay eggs and do not produce milk. Animals give birth to their young and produce milk. Those are the main differences.

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.

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

What are reptiles and mammals called and why ?

Description : What are reptiles and mammals called and why ?

Last Answer : Animals that move with mass on their chest are called reptiles , snakes , crocodiles , lizards. Animals that drink mother's milk are called mammals. Humans , bats , whales

Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Description : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Last Answer : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the ... D. If both Assertion and Reason are false.

Are rhinos mammals or reptiles?

Description : Are rhinos mammals or reptiles?

Last Answer : gfgn

What is the connective link between reptiles and mammals?

Description : What is the connective link between reptiles and mammals?

Last Answer : duck billed platypus

Are dinosaurs reptiles or mammals?

Description : Are dinosaurs reptiles or mammals?

Last Answer : Dinosaurs are technically classed as reptiles. They were not related to mammals, but were more closely related to birds.

What is the difference between mammals and reptiles?

Description : What is the difference between mammals and reptiles?

Last Answer : reptiles are cold blooded and mammals are warm blooded.

Dinosaurs were - (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Description : Dinosaurs were - (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Last Answer : (4) reptiles that became extinct Explanation: Although the word dinosaur means "terrible lizard," the name is somewhat misleading, as dinosaurs are not lizards. Rather, they represent a separate ... be dinosaurs, most of the scientific community believed dinosaurs to be sluggish and cold-blooded.

Mention the differences between reptiles and mammals.

Description : Mention the differences between reptiles and mammals.

Last Answer : Reptiles 1. They have exoskeleton in the form of epidermal scales 2. Most of them have three chambered heart 3. They are cold blooded animals 4. They are oviparous animal soskeleton in form ... 2. They have four chambered heart 3. They are warm blooded animals 4. They are viviparous animals

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.

What term is used for animals such as humans that usually give birth to live young: mammals or reptiles?

Description : What term is used for animals such as humans that usually give birth to live young: mammals or reptiles?

Last Answer : MAMMALS

The following argument: “ All mammals have wings. All reptiles are mammals. Therefore all reptiles have wings ”. A) Inductive B) invalid C) sound D) Valid.

Description : The following argument:  “ All mammals have wings.  All reptiles are mammals.  Therefore all reptiles have wings ”. A) Inductive  B) invalid  C) sound  D) Valid. 

Last Answer :  D) Valid. 

Dinosaurs were (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Description : Dinosaurs were (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Last Answer : reptiles that became extinct

(a) Name the group of plants known as “Amphibians of plant world”. Mention their four important characteristics. (b) Give three points on how birds have adapted themselves to an aerial mode of life. -Science

Description : (a) Name the group of plants known as “Amphibians of plant world”. Mention their four important characteristics. (b) Give three points on how birds have adapted themselves to an aerial mode of life. -Science

Last Answer : Bryophytes are known as"amphibians of plant world". Three important characters of bryophytes are- (i)The plants are green and possess chloroplasts. (ii)They show autotrophic mode of nutrition. (iii)The plant body lacks true roots, stem or leaves.

Darvvin finches' refers to a group of - (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : Darvvin finches' refers to a group of - (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : (3) Birds Explanation: Darwin's finches (also known as the Galapagos finches) are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe ... . All are found only on the Galapagos Islands, except the Cocos Island Finch from Cocos Island.

‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : ‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : (3) Birds Explanation: Darwin's finches are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe Geospizini. They were first collected by ... , and the beaks are highly adapted to different food sources. The birds are all dull-coloured.

Bartholin’s glands are situated (a) on the sides of the head of some amphibians (b) at the reduced tail end of birds (c) on either side of vagina in humans (d) on either side of vas deferens in humans

Description : Bartholin’s glands are situated (a) on the sides of the head of some amphibians (b) at the reduced tail end of birds (c) on either side of vagina in humans (d) on either side of vas deferens in humans

Last Answer : (c) on either side of vagina in humans

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

‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : ‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : Birds

Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Description : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Last Answer : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following ... Archeozoic era C. Cretaceous D. Triassic

Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Description : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Last Answer : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following ... Archeozoic era C. Cretaceous D. Triassic

Cause of decline in population of reptiles and birds is

Description : Cause of decline in population of reptiles and birds is

Last Answer : Cause of decline in population of reptiles and birds is A. Bioinsecticides B. Biofertilizers C. DDT D. Both A and B

A connecting/missing link between reptiles and birds is

Description : A connecting/missing link between reptiles and birds is

Last Answer : A connecting/missing link between reptiles and birds is A. Archaeopteryx B. Platypus C. Java Ape man D. Whale

$ Sulphur depended archaebacteria are called thermoacidophiles. ! Archeopteryx is considered to be a connecting link between Birds and Reptiles.

Description : $ Sulphur depended archaebacteria are called thermoacidophiles. ! Archeopteryx is considered to be a connecting link between Birds and Reptiles.

Last Answer : $ Sulphur depended archaebacteria are called thermoacidophiles. ! Archeopteryx is considered to be a connecting link ... . If both As and R are wrong.

What do reptiles and birds have in common?

Description : What do reptiles and birds have in common?

Last Answer : they both lay eggs.

The end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is (A) Bilirubin (B) Urea (C) Uric acid (D) Biliverdin

Description : The end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is (A) Bilirubin (B) Urea (C) Uric acid (D) Biliverdin

Last Answer : Answer : C

What is the chorioallantois membrane present in the embryonic development of reptiles and birds ?

Description : What is the chorioallantois membrane present in the embryonic development of reptiles and birds ?

Last Answer : How does this membrane participate in the energetic metabolism of the embryo? The chorioallantois membrane is formed by juxtaposition of some regions of the chorion and the allantois. Since it is ... of gases between the embryo and the exterior thus making aerobic cellular respiration possible.

How different are reptiles and birds concerning the maintenance of body temperature? Are birds rare in polar regions?

Description : How different are reptiles and birds concerning the maintenance of body temperature? Are birds rare in polar regions?

Last Answer : Reptiles are heterothermic, i.e., they do not control their body temperature. Birds however are the first homeothermic animals, they are able to maintain their body temperature constant. There are many birds that live in intense cold regions. Penguins are examples of birds that live in polar region.

What similarities do birds and reptiles share regarding external coverage, reproduction and excretion?

Description : What similarities do birds and reptiles share regarding external coverage, reproduction and excretion?

Last Answer : Regarding external coverage, birds are similar to reptiles as they present impermeable keratinized coverages. Concerning reproduction, in both fecundation is internal and the embryo develops within a shelled egg. Regarding excretion, both excrete uric acid.