An invertebrate does not have – (1) Notochord (2) Body cavity (3) Haernocoel (4) Gills

An invertebrate does not have – (1) Notochord (2) Body cavity (3) Haernocoel (4) Gills
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(1) Notochord Explanation: An invertebrate does not have back bone and cell wall
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An invertebrate does not have (1) Notochord (2) Body cavity (3) Haemocoel (4) Gills

Description : An invertebrate does not have (1) Notochord (2) Body cavity (3) Haemocoel (4) Gills

Last Answer : Notochord

Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired appendages. Cyclostomata (b) Body covered with feathers; skin moist and glandular, fore- limbs form wings; (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia (d) Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyeslungs with air sacs. Aves

Description : Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired ... Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyes

Last Answer : (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia

Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals. (c) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

Oxygen enters the body of a grasshopper through: a) gills b) spinnerets c) spiracles d) book lungs

Description : Oxygen enters the body of a grasshopper through: a) gills b) spinnerets c) spiracles d) book lungs

Last Answer : ANSWER: C -- SPIRACLES 

The subphylum in which notochord is present through the length of the body is

Description : The subphylum in which notochord is present through the length of the body is

Last Answer : Cephalochordata.

The subphylum in which notochord is restricted to the anterior half of the body is

Description : The subphylum in which notochord is restricted to the anterior half of the body is

Last Answer : Hemichordata.

Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally oviparous and development through a trochophore or veliger larva (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae (d) Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Description : Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally ... Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Last Answer : (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae

Will you live like a fish but without the gills?

Description : Will you live like a fish but without the gills?

Last Answer : I would love to do that. Where do I sign up?

Where can I find a picture of the old kind of BMW z3 that has the big ribs/or gills on the sides?

Description : Where can I find a picture of the old kind of BMW z3 that has the big ribs/or gills on the sides?

Last Answer : http://www.carolinamcevents.com/articles/bmwz3.pdf-

What are gills? -Biology

Description : What are gills? -Biology

Last Answer : answer:

None Animals The gills Or Lungs With Respiration Done By ?

Last Answer : Oysters The gills Or Lungs With Respiration Done By

Gills slits in chondricthyes are

Description : Gills slits in chondricthyes are

Last Answer : Gills slits in chondricthyes are A. Uncovered B. Coverd by operculum C. Absent D. Only sometimes covered

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

Presence of gills in the tadpole of frog indicates that

Description : Presence of gills in the tadpole of frog indicates that

Last Answer : Presence of gills in the tadpole of frog indicates that A. Fishes evolved from frog like ... ancsetors D. Fishes were amphibious in the past

How many gills do blue tang have?

Description : How many gills do blue tang have?

Last Answer : Need answer

How does a sea animal like dolphin survive in water without gills please give answer same Long?

Description : How does a sea animal like dolphin survive in water without gills please give answer same Long?

Last Answer : The dolphins (whales and porpoises, etc) are aquatic mammals. As mammals they need to come to the surface and breath air into and out of their internal lungs. They can only stay underwater for a ... water over their gills, extracting oxygen, and they have no need to come to the surface to breath.

Why dolphins and whales do not have gills?

Description : Why dolphins and whales do not have gills?

Last Answer : They are not fish. They are mammals and must come up to the surface to breath air using internal lungs (as all mammals do).

What is the function of the gills in a starfish?

Description : What is the function of the gills in a starfish?

Last Answer : Need answer

Fish respire through their (a) nose (b) lungs (c) gills (d) fins

Description : Fish respire through their (a) nose (b) lungs (c) gills (d) fins

Last Answer : Ans:(c)

What is the difference between gills and lungs?

Description : What is the difference between gills and lungs?

Last Answer : Gills and lungs are richly vascularized organs that serve for gas exchange between the environment and the circulatory system. The lungs differentiate from gills in that they are saclike ... specialized in gas exchange in aquatic environment. Breathing Process Review - Image Diversity: lungs

The newly hatched tadpo e breaths through its – (1) Lung (2) External gills (3) Internal gills (4) All of the above

Description : The newly hatched tadpo e breaths through its – (1) Lung (2) External gills (3) Internal gills (4) All of the above

Last Answer : (2) External gills Explanation: A tadpole resembles a fish and breathes through external gills. Adult frogs breathe through their lungs and exchange gases through their skin and the lining of their mouths.

How do most insects respire? (1) Through skin (2) Through gills (3) By tracheal system (4) By lungs

Description : How do most insects respire? (1) Through skin (2) Through gills (3) By tracheal system (4) By lungs

Last Answer : (3) By tracheal system Explanation: Insects do not have lungs to do respiration. In insects respiration takes place through tracheae. Tracheae are tube like structures that open on the sides of their body through tiny holes called spiracles.

Through which organ does a fish respire? A. Nose B. Lungs C. Gills (Answer) D. Fins

Description : Through which organ does a fish respire? A. Nose B. Lungs C. Gills (Answer) D. Fins

Last Answer : C. Gills (Answer)

Which one of the following are analogous structures? (a) Wings of bat and wings of pigeon (b) Gills of prawn and lungs of man (c) Thorns of Bougainvillea and tendrils of Cucurbita (d) Flippers of dolphin and legs of horse

Description : Which one of the following are analogous structures? (a) Wings of bat and wings of pigeon (b) Gills of prawn and lungs of man (c) Thorns of Bougainvillea and tendrils of Cucurbita (d) Flippers of dolphin and legs of horse

Last Answer : (a) Wings of bat and wings of pigeon

A chordate character is (a) gills (b) spiracles (c) post-anal tail (d) chitinous exoskeleton

Description : A chordate character is (a) gills (b) spiracles (c) post-anal tail (d) chitinous exoskeleton

Last Answer : (c) post-anal tail

The nephridia in earthworm are analogous to (a) nematoblasts of Hydra (b) flame cells of Planaria (c) gills of prawn (d) trachea of insects.

Description : The nephridia in earthworm are analogous to (a) nematoblasts of Hydra (b) flame cells of Planaria (c) gills of prawn (d) trachea of insects.

Last Answer : (b) flame cells of Planaria

Presence of gills in the tadpole of frog indicates that (a) fish were amphibious in the past (b) fish evolved from frog-like ancestors (c) frogs will have gills in future (d) frogs evolved from gilled ancestors.

Description : Presence of gills in the tadpole of frog indicates that (a) fish were amphibious in the past (b) fish evolved from frog-like ancestors (c) frogs will have gills in future (d) frogs evolved from gilled ancestors.

Last Answer : (d) frogs evolved from gilled ancestors.

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.

Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts

Description : Which is false regarding freshwater fish? a) their blood is hypertonic to their environment b) they often actively take up salt c) they excrete urine hypotonic to the blood d) their gills actively excrete salts

Last Answer : ANSWER: D -- THEIR GILLS ACTIVELY EXCRETE SALTS

The newly hatched tadpole breaths through its (1) Lung (2) External gills (3) Internal gills (4) All of the above

Description : The newly hatched tadpole breaths through its (1) Lung (2) External gills (3) Internal gills (4) All of the above

Last Answer : External gills

Does Vertibrata become embryonic notochord ?

Description : Does Vertibrata become embryonic notochord ?

Last Answer : Answer : In the vertebrate phase, the embryonic notochord turns into a nerve.

in which of the following the notochord is present in embryonic stage

Description : in which of the following the notochord is present in embryonic stage

Last Answer : in which of the following the notochord is present in embryonic stage A. All chordates B. Some chordates C. Vertebrates D. Non- chordates

in urochordata notochord is found in

Description : in urochordata notochord is found in

Last Answer : in urochordata notochord is found in A. Head of adult B. Tail of adult C. Tail of larva D. Test of adult

Notochord occurs in the adult animal of

Description : Notochord occurs in the adult animal of

Last Answer : Notochord occurs in the adult animal of A. Protochordates B. Agnatha C. Chondrichthyes D. Osteichthyes

Which of the following animals is devoid of notochord and nerve cord in its adult stage ?

Description : Which of the following animals is devoid of notochord and nerve cord in its adult stage ?

Last Answer : Which of the following animals is devoid of notochord and nerve cord in its adult stage ? A. ... amphioxus ) C. Assymetron D. All of the above

Notochord, skeletal system and dermis of skin are derived from

Description : Notochord, skeletal system and dermis of skin are derived from

Last Answer : Notochord, skeletal system and dermis of skin are derived from A. Mesoderm B. Endoderm C. Ectodermq D. All the above.

Notochord develops from

Description : Notochord develops from

Last Answer : Notochord develops from A. Primary ectoderm B. Primary endoderm C. primary mesoderm D. Both A and B

Notochord grows from

Description : Notochord grows from

Last Answer : Notochord grows from A. Neuropore B. Prechordal plate C. Hypochordal rod D. Chorda-mesoderm.

Formation of notochord is

Description : Formation of notochord is

Last Answer : Formation of notochord is A. Neurulation B. Notogenesis C. Morulation D. Blastulation

$ Notochord is present in vertebrates. ! Notochord is always formed of bones.

Description : $ Notochord is present in vertebrates. ! Notochord is always formed of bones.

Last Answer : $ Notochord is present in vertebrates. ! Notochord is always formed of bones. A. If both A and R are ... is wrong D. If both A and R are wrong.

In which group, notochord is present only in the tail of larva.

Description : In which group, notochord is present only in the tail of larva.

Last Answer : In which group, notochord is present only in the tail of larva.

In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Description : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Last Answer : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Does a kangaroo have a dorsal nerve cord notochord?

Description : Does a kangaroo have a dorsal nerve cord notochord?

Last Answer : dorsal nerve cord

What is notochord ?

Description : What is notochord ?

Last Answer : How is this structure formed? Notochord is a rodlike structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates. It is formed by differentiation of mesodermal cells.

What is notochord ?

Description : What is notochord ?

Last Answer : How is this structure formed? Notochord is a rodlike structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates. It is formed by differentiation of mesodermal cells.

What is the destination of the notochord in vertebrates and in protochordates?

Description : What is the destination of the notochord in vertebrates and in protochordates?

Last Answer : In vertebrates the notochord disappears and gives birth to the spinal column (vertebral column). In protochordates the notochord remains for the rest of the life.

The subphylum in which notochord is restricted only to the embryonic stage is

Description : The subphylum in which notochord is restricted only to the embryonic stage is

Last Answer : vertebrata.

The subphylum in which notochord is present only in the tail region of the larvae and absent in adults is

Description : The subphylum in which notochord is present only in the tail region of the larvae and absent in adults is

Last Answer : Urochordata.