Description : The five classes of vertebrates are? -Biology
Last Answer : answer:
Description : What are the five classes of vertebrates? To which of these do human beings belong?
Last Answer : The five classes of vertebrates are: fishes (osteichthyes and chondrichthyes), amphibians, reptiles, birds and mammals. Humans classify as mammals.
Description : How many classes of vertebrates have been divided on the basis of structure and characteristics ?
Last Answer : Vertebrates are divided into 8 groups based on their structure and characteristics.
Description : How many classes of vertebrates are there?
Last Answer : 5
Description : In a comparison of the brain found in lower classes of vertebrates to the brain in higher classes of vertebrates the area showing most increase in relative size is: a) cerebellum b) optic lobe c) medulla d) cerebrum
Last Answer : ANSWER: D -- CEREBRUM
Description : The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ?
Last Answer : The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ? A. Oxytocin B. FSH C. ACTH D. ICSH
Description : Systemic heart refers to (a) the heart that contracts under stimulation from nervous system (b) left auricle and left ventricle in higher vertebrates (c) entire heart in lower vertebrates (d) the two ventricles together in humans.
Last Answer : (b) left auricle and left ventricle in higher vertebrates
Description : Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates ... by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions
Last Answer : D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions
Description : IUCN categorized major threatened species under : (1) seven classes (2) five classes (3) six classes (4) Eight classes
Last Answer : Explanation: At present, the IUCN Red List of Threatened Species (also known as the Red Data List) lists eight classes of organism under the group of "threatened categories" of endangered; ... tag is applied are: mammals; birds; reptiles; amphibians; fishes; insects; mollusks; and plants.
Description : Which of the following vertebrates are without teeth? 1. Jawless fishes 2. Turtles and tortoises 3. Toads 4. Birds Codes: (a) 1, 2 (b) 2, 3 (c) 1, 4 (d) 2, 4
Last Answer : Ans:(c)
Description : What are the chief excretory organs of vertebrates?
Last Answer : Kidney
Description : Which sea animal is considered to be a link between the vertebrates and inverte- brates?
Last Answer : Amphioxus
Description : Which group of vertebrates has single circulation of blood?
Last Answer : Fish
Description : What are the cold-blooded vertebrates that live both on land and in water called?
Last Answer : Amphibian
Description : What are Vertebrates?
Last Answer : Animals which have backbone are called verte- brates
Description : A class of vertebrates in which fertilization is internal and development is external is
Last Answer : Reptiles/Aves.
Description : The first vertebrates to appear on land are
Last Answer : amphibians.
Description : A class of vertebrates in which both fertilization and development is external is
Last Answer : Pisces/Amphibians.
Description : What was the need for vertebrates to evolve from oviparity to viviparity?
Last Answer : The two reasons for vertebrates to evolve from oviparity (Egg-laying) to viviparity (Giving live birth) are: a) To increase the number of successful births as in viviparity the offspring is ... are healthier in viviparity. So they were selected by natural selection and were evolved to viviparity.
Description : In which class of vertebrates pneumatic bones are found? Mention any one of its advantage.
Last Answer : Pneumatic bones are found in class aves. It makes the body very light and fly without friction
Description : What are vertebrates?
Last Answer : Chordates in which notochord is replaced by a vertebral column in the embryonic stage are called vertebrates.
Description : what two groups of present-day vertebrates are the descendants of reptiles?
Last Answer : are alligator and snakes
Description : All vertebrates belong to which state ?
Last Answer : All vertebrates belong to the state of Animalia.
Description : Animals of which subfamily are known as vertebrates ?
Last Answer : Vertibrata subfamily animals are known as vertebrates.
Last Answer : The animals in the circumference are vertebrates.
Last Answer : 12 human thoracic vertebrae .
Description : Development which freed land vertebrates from water was
Last Answer : Development which freed land vertebrates from water was A. Four appendages B. Lungs C. Cleidoic eggs D. Four - chambered heart
Description : How does reptilia differ from other vertebrates ?
Last Answer : How does reptilia differ from other vertebrates ? A. Due to epidermal scale B. Due to cleidoic eggs C. Due to tetrapod limb D. None of them
Description : The yellow colour of urine of the vertebrates is due to
Last Answer : The yellow colour of urine of the vertebrates is due to A. Lecithin B. Urochrom C. Uric acid D. Bilirubin
Description : Which type of WBCs are most abundant in the blood of rabbit and other vertebrates?
Last Answer : Which type of WBCs are most abundant in the blood of rabbit and other vertebrates? A. Acidophils B. Basophils C. Lymphocytes D. Neutrophils
Description : The renal portal system of vertebrates is significant for
Last Answer : The renal portal system of vertebrates is significant for A. Elimination of excess fats by kidneys ... the kidneys D. Draining blood from the kidney
Description : Which group of vertebrates comprises the highest number of endangered species
Last Answer : Which group of vertebrates comprises the highest number of endangered species A. Mammals B. Fishes C. Reptiles D. Birds
Description : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings of butterfly and birds"),((2)"Thorns of Bougainvillia
Last Answer : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings ... Cucurbita","Wings of butterflies and birds"):}`
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.
Description : The nervous system of vertebrates is derived from :
Last Answer : The nervous system of vertebrates is derived from : A. Ectoderm B. Endoderm C. Mesoderm D. All of these
Description : Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?
Last Answer : Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic ... C. Motile gametes D. External development.
Description : Which statement best explains why invertebrates regenerate lost tissue more readily than most vertebrates do?
Last Answer : Which statement best explains why invertebrates regenerate lost tissue more readily than most ... undifferentiated cells than vertebrate animals have.
Description : Glands of vertebrates are originated from :-
Last Answer : Glands of vertebrates are originated from :- A. Ectodermal B. Endodermal C. Mesodermal D. All of these
Description : Epidermis of skin of vertebrates comprises : -
Last Answer : Epidermis of skin of vertebrates comprises : - A. Simples Epithelium B. Stratified Epithelium C. Transitional Epthelium D. Colummar Epithelium
Description : Assertion: Kidneys of the vertebrates are retroperitoneal and extracoelomic. Reason: The structural and functional units of the kidneys are nephrons.
Last Answer : Assertion: Kidneys of the vertebrates are retroperitoneal and extracoelomic. Reason: The structural and ... . If both Assertion and Reason are false
Last Answer : The yellow colour of urine of the vertebrates is due to A. Cholesterol B. Urochrome C. Uric acid D. Melanin
Description : Vitamin excreted by urine in higher vertebrates is
Last Answer : Vitamin excreted by urine in higher vertebrates is A. A B. D C. K D. C
Description : What vertebrates have air sacs attached to their lungs that make lungs more efficient?
Last Answer : Need answer
Description : What type of skeleton do vertebrates sush as humans have?
Last Answer : Dick
Description : Is a flamingo vertebrates?
Description : What groups of vertebrates is most closely related to birds?
Last Answer : The group of vertebrates that are most closely related to birdsis reptiles.
Description : What group of vertebrates does a chameleon belong?
Last Answer : reptiles
Description : Are cecropia moths vertebrates?
Last Answer : No, moths are insects.
Description : What do vertebrates use to take in food?
Last Answer : Feel Free to Answer