Question

Select the transport medium in coelenterates that
facilitates removal of harmful substances and exchange of
gases.
Blood
Lymph
Tissue fluid
Water​

Answer 1

Answer:

blood

Explanation:

removes harmful substances in the form of urine

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Answer 2

The transport medium in coelenterates that  facilitates removal of harmful substances and exchange of  gases is Tissue fluid (Option c)

• Coelenterates or cnidarians are the first organisms in the animal kingdom where cells associate to give rise to tissues. Hence, they have a tissue level of body organization.
• Their body has an aperture called mouth at the free end. Entry and exit of food takes place through this single opening.
• They do not specialized organs for carrying out various body activities. Tissue fluid helps in removing harmful substances from the body and also in exchange of gases.