Q. 144.0( 1 Vote )

Provide appropriate technical term in the space provided.

a. Blood-filled cavity in arthropods __________________________.

b. Free-floating form of cnidaria _____________________________.

c. Stinging organ of jelly fishes ______________________________.

d. Lateral appendages in aquatic annelids ___________________.

Answer :

a. Blood-filled cavity in arthropods: Haemocoel


Explanation: Haemocoel is the blood-filled cavity in arthropods containing haemolymph


b. Free-floating form of cnidaria: Medusa


Explanation:


Medusa is a form in cnidarians in which the body is shaped like an umbrella which can float freely in sed water.


c. Stinging organ of jelly fishes: Nematocyst


Explanation:


Nematocytes are capsules of specialized cells in cnidarians which act as a paralyzing sting.


d. Lateral appendages in aquatic annelids: Parapodia


Explanation:


Parapodia are the paired lateral outgrowth in annelids which are not joint and bearing chaetae.


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