Amphibians are Poikilothermic and

Amphibians are Poikilothermic and
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oviparous animals.
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What are cold blooded / Poikilothermic animals? Give example.

Description : What are cold blooded / Poikilothermic animals? Give example.

Last Answer : Vertebrates that keep changing their body temperature according to the changes in the environment are called cold blooded or Poikilothermic animals. Ex: Fishes, amphibians, reptiles.

Are dinosaurs homeothermic or poikilothermic?

Description : Are dinosaurs homeothermic or poikilothermic?

Last Answer : In early studies dinosaurs are poikilothermic in new study shows dinosaurs are truly homeothermic

Is a salamander poikilothermic?

Description : Is a salamander poikilothermic?

Last Answer : yes, their body temperatures can vary considerably

Temperature changes, in the environment, affect most of the animals which are (a) poikilothermic (b) homoiothermic (c) aquatic (d) desert living

Description : Temperature changes, in the environment, affect most of the animals which are (a) poikilothermic (b) homoiothermic (c) aquatic (d) desert living

Last Answer : (a) poikilothermic

Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) Leech is a fresh water form while all others are marine.(c) Spongilla has special collared cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

Description : Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) ... cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

Last Answer : c) Spongilla has special collared cells called choanocytes, not found in the remaining three.

(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.

Amphibians lay their eggs in ponds and slow moving streams

Description : Amphibians lay their eggs in ponds and slow moving streams

Last Answer : Amphibians lay their eggs in ponds and slow moving streams

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

Mention the characteristics of amphibians.

Description : Mention the characteristics of amphibians.

Last Answer : a) Amphibians are the first vertebrates to appear on land. b) They have adaptations to live both in water and on land. c) The body is divided into head, trunk and tail. Tail is ... fertilization is external. j) They exhibit metamorphosis. Ex: Frog, Toad, Salamander, Newt, Ichthyophis (apodan)

What are amphibians?

Description : What are amphibians?

Last Answer : Amphibians are the first vertebrates to appear on land.

Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Description : Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Last Answer : Bryophytes are plants that are found both on moist land and in water. They need water for completing the life cycle. Hence they are referred to as amphibians of plant kingdom

Why bryophytes are called the amphibians of plant kingdom? -Biology

Description : Why bryophytes are called the amphibians of plant kingdom? -Biology

Last Answer : answer:

Why are nonvascular plants the amphibians of the plant kingdom? -Biology

Description : Why are nonvascular plants the amphibians of the plant kingdom? -Biology

Last Answer : answer:

Why are nonvascular plants the amphibians of the plant kingdom? -Biology

Description : Why are nonvascular plants the amphibians of the plant kingdom? -Biology

Last Answer : answer:

what do amphibians and insects have in common?

Description : what do amphibians and insects have in common?

Last Answer : they both have a form of metamorphosis. the butterfly goesthrough it, and so does a frog, but they do it in differentforms

Are ants Amphibians?

Description : Are ants Amphibians?

Last Answer : No

Are Koala amphibians?

Description : Are Koala amphibians?

Last Answer : They are not.

What are the characteristics of amphibians ?

Description : What are the characteristics of amphibians ?

Last Answer : The characteristics of amphibians are: The body is covered with hair. Except for exceptional mammals, all give birth to offspring. Warm-blooded animals. The jaw has different types of teeth.

What are the characteristics of amphibians ?

Description : What are the characteristics of amphibians ?

Last Answer : Characteristics of cold-blooded amphibians.

What is the name of the science of amphibians ?

Description : What is the name of the science of amphibians ?

Last Answer : Herpetology is the study of amphibians .

What are amphibians ?

Last Answer : An animal that lives in water for one part of its life and on land for another part of its life is called amphibian.

Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived f

Description : Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived f

Last Answer : Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line ... D. If both Assertion and Reason are false.

Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

Description : Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

Last Answer : Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, ... D. If both Assertion and Reason are false.

Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a fossil linking fishes and amphibians `:`

Description : Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a fossil linking fishes and amphibians `:`

Last Answer : Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a ... false D. If both Assertion and Reason are false.

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.

Which evertebrates evolved into the first amphibians?

Description : Which evertebrates evolved into the first amphibians?

Last Answer : Which evertebrates evolved into the first amphibians? A. Jawless fishes B. Lobefins C. Salamanders D. Ichthyosaurus

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______

Write a short note on amphibians.

Description : Write a short note on amphibians.

Last Answer : Write a short note on amphibians.

Bryophytes are the amphibians of the plant kingdom. Justify

Description : Bryophytes are the amphibians of the plant kingdom. Justify

Last Answer : Bryophytes are the amphibians of the plant kingdom. Justify

Do Amphibians have milk producion?

Description : Do Amphibians have milk producion?

Last Answer : Need answer

Is a rabbit a amphibians?

Description : Is a rabbit a amphibians?

Last Answer : No, rabbits are mammals.

Are all animals that hatch from eggs called amphibians?

Description : Are all animals that hatch from eggs called amphibians?

Last Answer : No. Birds are not amphibians. Neither are insects, Spiders,worms, reptiles (snakes, turtles, tortoises, crocodiles, lizards,etc.)

Are amphibians born from a egg or womb?

Description : Are amphibians born from a egg or womb?

Last Answer : Amphibians hatch from eggs.

Is a ostrich a reptile amphibians fish bird or mammle?

Description : Is a ostrich a reptile amphibians fish bird or mammle?

Last Answer : Feel Free to Answer

Do amphibians have calcium bobes?

Description : Do amphibians have calcium bobes?

Last Answer : Need answer

Are amphibians born from a egg or womb?

Description : Are amphibians born from a egg or womb?

Last Answer : Amphibians hatch from eggs.

Where are amphibians that eat living plants most likely live in a lake?

Description : Where are amphibians that eat living plants most likely live in a lake?

Last Answer : The littoral zone

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.

How amphibians do respiration

Description : How amphibians do respiration

Last Answer : Skin

Compared to amphibians what are the two reproductive novelties of beings of the class Reptilia for the survival in dry environments?

Description : Compared to amphibians what are the two reproductive novelties of beings of the class Reptilia for the survival in dry environments?

Last Answer : Compared to amphibians the two main reproductive innovations of beings of the class Reptilia for the terrestrial habitat are internal fecundation and shelled eggs. Image Diversity: reptilian egg

Do beings of the class Reptilia perform gas exchange in the same way amphibians do?

Description : Do beings of the class Reptilia perform gas exchange in the same way amphibians do?

Last Answer : These beings do not have permeable skin so they do not make cutaneous respiration like amphibians do. Just like in birds and in mammals, their respiration is pulmonary.

Compared to amphibians what is an example of evolutionary novelty present in beings of the class Reptilia against the loss of water through the skin?

Description : Compared to amphibians what is an example of evolutionary novelty present in beings of the class Reptilia against the loss of water through the skin?

Last Answer : The reptile skin is keratinized and impermeable to water while the amphibian skin is permeable. The skin impermeability made impossible the cutaneous gas exchange performed by amphibians and respiration became dependent on internal organs like airways and lungs.

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

Description : Amphibian identity card. How are amphibians characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

Last Answer : Examples of representing beings: frogs, toads, salamanders. Basic morphology: two pairs of limbs, eyelids, hydrodynamic larvae. Skin: moist and permeable, mucous glands. Respiration: ... reproduction: sexual, water dependant, external fecundation and aquatic larval stage. Class Reptilia Review

Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes an adaptation to terrestrial life?

Description : Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes an adaptation to terrestrial life?

Last Answer : Eyelids associated to lacrimal glands protect and keep eyes lubricated against damage from the great luminosity of terrestrial environments. Fishes do not have eyelids since their eyes are in constant contact with the fluid medium.

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.

How is excretion done in amphibians?

Description : How is excretion done in amphibians?

Last Answer : Adult amphibians have kidneys that filter blood. Nitrogen waste is excreted as urea (so amphibians are ureotelic beings). The larvae, aquatic, excrete ammonia. Frog Facts Review - Image Diversity: urea molecule ammonia molecule

How is respiration performed by the larva of amphibians?

Description : How is respiration performed by the larva of amphibians?

Last Answer : The larva of amphibians has exclusively branchial respiration. This is one of the reasons why it depends on water to survive.

How different are the respiration in fishes and the respiration in adult amphibians?

Description : How different are the respiration in fishes and the respiration in adult amphibians?

Last Answer : In fishes gas exchange is done by direct contact of water with the branchiae (gills). Gases gain and exit the circulation through the gills. In adult amphibians gas exchange is done through the ... breathes through gills even as an adult. Frog Facts Review - Image Diversity: axolotl amphibian skin

Do amphibians have direct development?

Description : Do amphibians have direct development?

Last Answer : In amphibians the embryonic development is indirect (there is a larval stage).