Difference between Chondrichthyes and Osteichthyes. -Biology

Difference between Chondrichthyes and Osteichthyes. -Biology
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Distinguish between Chondrichthyes and Osteichthyes.

Description : Distinguish between Chondrichthyes and Osteichthyes.

Last Answer : Distinguish between Chondrichthyes and Osteichthyes.

How different are fecundation in osteichthyes and in chondrichthyes?

Description : How different are fecundation in osteichthyes and in chondrichthyes?

Last Answer : In chondrichthyes fecundation is internal by means of copulation. In osteichthyes fecundation generally is external and the gametes are released in the water, where they can fecundate their counterpart and form the zygote.

How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not?

Description : How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not?

Last Answer : Bony fishes have a specialized organ called a gas bladder, or swim bladder, whose interior can be filled with gas liberated from gas glands. The swim bladder works as a hydrostatic organ since ... helps to reduce their body density relative to water. Fish Facts - Image Diversity: swim bladder

Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes(A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (iv) (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Last Answer : (a) (ii) (iii) (iv) (i)

Which one of the following fishes does not belong to class osteichthyes ?

Description : Which one of the following fishes does not belong to class osteichthyes ?

Last Answer : Which one of the following fishes does not belong to class osteichthyes ? A. Hippocampus B. Labeo C. Torpedo D. Exocoetus

From which features do condrichthyes and osteichthyes get these names?

Description : From which features do condrichthyes and osteichthyes get these names?

Last Answer : Chondros means cartilage, ictis means fish (both from the Greek); the name chondrichtians is for fishes with cartilaginous endoskeleton. The name osteichthyes comes from the existence of a bony ... osteo means bone, from the Greek too). Fish Facts - Image Diversity: chondrichthyes osteichthyes

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system. (a) Amphibia (b) Reptilia (c) Aves (d) Osteichthyes

Description : Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system. (a) Amphibia (b) Reptilia (c) Aves (d) Osteichthyes

Last Answer : (c) Aves

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive sytstem. (1) Amphibia (2) Reptilia (3) Aves (4) Osteichthyes

Description : Identify the vertebrate group of animals characterized by crop and gizzard in its digestive sytstem. (1) Amphibia (2) Reptilia (3) Aves (4) Osteichthyes

Last Answer : (3) Aves

Class Osteichthyes

Description : Class Osteichthyes

Last Answer : CALIFORNIA HALIBUT (Paralichthys californicus)  Habitat: Sandy bottoms to 60 m from Washington to Baja California. Size: 1.5 m (5 ft) and 72 lbs Position in food web: Carnivorous: ... be identified by the three yellow vertical bars on the mid-body Relatives: Numerous species of perch

Which chondrichthyes ?

Description : Which chondrichthyes ?

Last Answer : Saw fish chondrichthis.

Which of the following vertebrates lack exoskeleton? (1) Amphibia (2) Mammalia (3) Avis (4) Chondrichthyes

Description : Which of the following vertebrates lack exoskeleton? (1) Amphibia (2) Mammalia (3) Avis (4) Chondrichthyes

Last Answer : (4) Chondrichthyes Explanation: An exoskeleton is the external skeletons that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. ... scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3–chambered heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Description : Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3- ... heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Last Answer : (c) Cartilaginous endoskeleton

Phylum Chordata Class Chondrichthyes

Description : Phylum Chordata Class Chondrichthyes

Last Answer : HORN SHARK (Heterodontus francisci) Habitat: Rocky reefs and kelp forests from Central California to Baja California. Size: 1m (3.3 ft) Position in food web: Carnivorous: Feeds on ... fish the -banjo shark because it looks like the instrument Relatives: Sharks, skates, and rays

Which of the following vertebrates lack exoskeleton ? (1) Amphibia (2) Mammalia (3) Aves (4) Chondrichthyes

Description : Which of the following vertebrates lack exoskeleton ? (1) Amphibia (2) Mammalia (3) Aves (4) Chondrichthyes

Last Answer : Chondrichthyes