In some reptiles, heart is

In some reptiles, heart is
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incomplete four chambered.
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Related questions

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 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

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______

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

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.

Name some common reptiles:?

Description : Name some common reptiles:?

Last Answer : Crocodiles; Turtles; Lizards and Snakes

Which reptiles are called "limbless lizard"?

Description : Which reptiles are called "limbless  lizard"?

Last Answer : Snakes

What is the name of an extinct bird which shares the characters of both reptiles and aves?

Description : What is the name of an extinct bird  which shares the characters of both reptiles  and aves?

Last Answer : Archaeopteryx

In reptiles, fertilization is

Description : In reptiles, fertilization is

Last Answer : internal.

Reptiles have five digits each in fore limbs and

Description : Reptiles have five digits each in fore limbs and

Last Answer : hind limbs

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

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

How are reptiles classified? OR Name the major groups of reptiles. Give example.

Description : How are reptiles classified? OR Name the major groups of reptiles. Give example.

Last Answer : Reptiles are identified into four groups: a) Chelones: Turtles and tortoise. b) Lizards: House lizard, Chameleon, Calotes (garden lizard), Varanus (monitor lizards), Draco (flying lizard) c) Snakes: Viper, cobra, sea snake, Python d) Crocodiles and alligators.

Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) Some reptiles have also been reported as pollinators in some plant species. (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style. (d) Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Description : Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) ... Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Last Answer : (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.

Do reptiles have memories?

Description : Do reptiles have memories?

Last Answer : All animals have memories. If they are hurt because of an action, they will shy away from repeating that action.

Do canines, felines, or reptiles have more pregnancy problems?

Description : Do canines, felines, or reptiles have more pregnancy problems?

Last Answer : answer:The tiny dog breeds can have complications, may need C-section births at a higher rate than the larger breeds. Cats are usually very low in problem births. I'd imagine, depending on the species of ... egg laying I wouldn't think there could be too many issues, but I am not reptile savvy.

Are there any reptiles that are vegetarian?

Description : My son wants a reptile for a pet. I'm considering getting him one, but I hate the idea of feeding it other animals. Are there any reptiles that don't eat bugs?

Last Answer : There are no known snake species that are vegetarian. You might consider one of the varieties of land tortoises, iguanas, chuckwallas or uromastyx (hard to find). Iguanas eat leaves, buds, flowers ... to feed them live ones. Pet shops have dried and powdered insects that help make feeding easier.

Are dragons considered reptiles?

Description : content:

Last Answer : When we think of dragons, mythical creatures in storybooks come to mind. But the creatures that exist and have dragon attached to their names are considered part of the reptile family.

what two groups of present-day vertebrates are the descendants of reptiles?

Description : what two groups of present-day vertebrates are the descendants of reptiles?

Last Answer : are alligator and snakes

Why are lizards called reptiles ?

Description : Why are lizards called reptiles ?

Last Answer : The lizard is a reptile of the Cordata episode. The characteristics of the reptile class are: It moves on the chest. The skin is dry and scaly. All four feet have five toed nails. All of the above features can be seen in the lizard. This is why lizards are called reptiles.

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

What are reptiles ?

Description : What are reptiles ?

Last Answer : Those who move with mass on their chest are called reptile water.

What are reptiles ?

Last Answer : We usually call all the animals that move around with a mass on their chests a reptile.

Are piranhas classified as reptiles?

Description : Are piranhas classified as reptiles?

Last Answer : Answer: No

Assertion : Reptiles can be termed as first true and animals Reason : These are completely independent of water due to the development of internal fer

Description : Assertion : Reptiles can be termed as first true and animals Reason : These are completely independent of water due to the development of internal fer

Last Answer : Assertion : Reptiles can be termed as first true and animals Reason : These are completely independent ... D. If both Assertion and Reason are false.

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.

In which era reptiles were dominated ?

Description : In which era reptiles were dominated ?

Last Answer : In which era reptiles were dominated ? A. Coenozoic era B. Mesozoic era C. Paleozoic era D. Archeozoic era

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

Aquatic reptiles are

Description : Aquatic reptiles are

Last Answer : Aquatic reptiles are A. Ammonotelic B. Ureotelic overland C. Ureotelic D. Ureotelic in water

How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Description : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Last Answer : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, ... A. Six B. Four C. Three D. Five

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

When reptiles come down which animals took over the earth?

Description : When reptiles come down which animals took over the earth?

Last Answer : When reptiles come down which animals took over the earth? A. Birds B. Dinosaurs C. Mammals D. Amphibians

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 is the milk production of the reptiles?

Description : What is the milk production of the reptiles?

Last Answer : Need answer

Are octopus reptiles?

Description : Are octopus reptiles?

Last Answer : Need answer

How is a leopard seal a mammal they look more like reptiles?

Description : How is a leopard seal a mammal they look more like reptiles?

Last Answer : Do they have scales instead of fur? No, so they can't bereptiles. They have hair and are warm-blooded and give birth tolive young that they feed with milk, so they are mammals.

What type of eggs do reptiles lay?

Description : What type of eggs do reptiles lay?

Last Answer : Reptile eggs are soft-shelled - as opposed to the calcifiedshell of a birds egg.

ARe all snakes reptiles?

Description : ARe all snakes reptiles?

Last Answer : Yes all rattle snakes are reptiles.

Are blue glaucus reptiles?

Description : Are blue glaucus reptiles?

Last Answer : What is the answer ?

Do all reptiles have beeks?

Description : Do all reptiles have beeks?

Last Answer : No,most reptiles do not have beaks,for example the snakes orlizards do not have beaks,however some species of turtles areconsidered to have beaks

Why reptiles as considered as successful land vertebrates?

Description : Why reptiles as considered as successful land vertebrates?

Last Answer : Need answer

ARe all snakes reptiles?

Description : ARe all snakes reptiles?

Last Answer : Yes all rattle snakes are reptiles.

what is the meaning of reptiles?

Description : what is the meaning of reptiles?

Last Answer : reptile

Are rhinos mammals or reptiles?

Description : Are rhinos mammals or reptiles?

Last Answer : gfgn