Dear student Please refer the solution below for the said query Classes of chordates Respiratory system Body cavity Circulatory system Habitat Notochord Sex Fertilisation Body temperature Pisces Gills True Coelom Closed with two chambered heart Water Present mostly in the embryo Sexes are separate External Cold blooded Amphibia Lungs and Skin True Coelom Closed with three chambered heart Water and Land Present in the embryo Sexes are separate External Cold blooded Reptilia Lungs True Coelom Closed with three chambered heart except crocodiles Land Present in the embryo Sexes are separate Internal Cold blooded Aves Lungs True Coelom Closed with four chambered heart Air Present in the embryo Sexes are separate Internal Warm blooded Mammalia Lungs True Coelom Closed with four chambered heart Land Present in the embryo Sexes are separate Internal Warm blooded Hope this information clears your doubt about the topic Regards

ques number 27

ques number 27 26. What is a notochord? 27. Make a table and classify the classes of chordates on the basis of the following point — Respiratory system, Type of mouth cavity, Body type, Circulatory system, habitat, Notochord, Sex, Fertilisation, body temperature. 28. Differentiate between chordates and non chordates. 29. What do you mean by Haplontic, Diplontic and haplo-diplontic life cycle patterns ? Explain with diagrams.

Dear student

Please refer the solution below for the said query

Classes of chordates	Respiratory system	Body cavity	Circulatory system	Habitat	Notochord	Sex	Fertilisation	Body temperature
Pisces	Gills	True Coelom	Closed with two chambered heart	Water	Present mostly in the embryo	Sexes are separate	External	Cold blooded
Amphibia	Lungs and Skin	True Coelom	Closed with three chambered heart	Water and Land	Present in the embryo	Sexes are separate	External	Cold blooded
Reptilia	Lungs	True Coelom	Closed with three chambered heart except crocodiles	Land	Present in the embryo	Sexes are separate	Internal	Cold blooded
Aves	Lungs	True Coelom	Closed with four chambered heart	Air	Present in the embryo	Sexes are separate	Internal	Warm blooded
Mammalia	Lungs	True Coelom	Closed with four chambered heart	Land	Present in the embryo	Sexes are separate	Internal	Warm blooded

Hope this information clears your doubt about the topic.

Regards

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