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10All chordates have notochord at some stage of life.
Vertebrates are always cold-blooded.
Frog is an amphibian and poikilothermic.
Pigeon is homeothermic and oviparous.
Vertebrates have open circulatory system.
Notochord in vertebrates is replaced by vertebral column in adults.
Warm-blooded animals cannot maintain constant body temperature.
Fish belongs to class Mammalia.
Tiger is viviparous and homeothermic.
Vertebrates are bilaterally symmetrical.
Percentage: 0%
Which of the following is a chordate?
The notochord is present in chordates:
Which sub-phylum of Chordata is considered primitive?
Which animal is poikilothermic?
Which animal is homeothermic?
How many heart chambers are found in vertebrates?
Animals giving birth to eggs are called:
Fish belong to which class of vertebrates?
Pigeons belong to which class?
The dorsal nerve cord in chordates is:
Animals with a ______ at any stage of life belong to phylum ______.
The ______, ______ nervous system of chordates is called the dorsal nerve cord.
Phylum Chordata has ______ gill slits on both sides of the pharynx in the embryonic stage.
Animals having ______ column are called vertebrates.
The ______ in vertebrates is replaced by vertebral column during development.
Vertebrates are ______ symmetrical.
______-blooded animals are called poikilothermic.
______-blooded animals are called homeothermic.
Vertebrates have a ______ circulatory system with two to four heart chambers.
Animals that lay eggs are called ______, while those giving birth to young ones are called viviparous.