(B) The haemocoel is a body cavity filled with blood,which is a characteristic feature of the phyla Arthropoda and Mollusca. In these animals,the circ

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(B) The haemocoel is a body cavity filled with blood,which is a characteristic feature of the phyla Arthropoda and Mollusca. In these animals,the circulatory system is open,meaning blood flows through the body cavity (haemocoel) rather than being confined entirely within blood vessels.

Class 9 Science DIVERSITY IN LIVING ORGANISMS Mix Example - DIVERSITY IN LIVING ORGANISMS

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Which group of animals have haemocoel?

A
Annelida and Arthropoda
B
Arthropoda and Mollusca
C
Mollusca and Echinodermata
D
Platyhelminthes and Nematoda

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DIVERSITY IN LIVING ORGANISMS

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Mix Example - DIVERSITY IN LIVING ORGANISMS

All organisms that are similar enough to breed and perpetuate are called

Easy

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Explain the following terms:
$(a)$ Phanerogams
$(b)$ Symbiosis
$(c)$ Binomial Nomenclature

Medium

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State whether the following statement is true or false:
Cryptogamae means those with open reproductive organs.

Easy

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State the phylum to which liver fluke and Planaria belong.

Easy

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State reasons for the following:
$(a)$ Mammals have mammary glands.
$(b)$ Annelids have a true body cavity.
$(c)$ Fish possess gills.

Medium

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Which group of animals have haemocoel?

Similar Questions

All organisms that are similar enough to breed and perpetuate are called

Explain the following terms:$(a)$ Phanerogams$(b)$ Symbiosis$(c)$ Binomial Nomenclature

State whether the following statement is true or false:Cryptogamae means those with open reproductive organs.

State the phylum to which liver fluke and Planaria belong.

State reasons for the following:$(a)$ Mammals have mammary glands.$(b)$ Annelids have a true body cavity.$(c)$ Fish possess gills.

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Explain the following terms:
$(a)$ Phanerogams
$(b)$ Symbiosis
$(c)$ Binomial Nomenclature

State whether the following statement is true or false:
Cryptogamae means those with open reproductive organs.

State reasons for the following:
$(a)$ Mammals have mammary glands.
$(b)$ Annelids have a true body cavity.
$(c)$ Fish possess gills.