Question

Theiriarval forms have bilateral symmetry.
• They have ambulacral system which helps in locomotion
They have organ system level of organisation
All of the following organisms have the given characteristics, except
() Ophiothrix
(ii) Chiton
(iii) Unio
(iv) Asterias
(v) Palaemon
(vi) Antedon​

Answer 1

Answer:

Ethylene is a hydrocarbon which has the formula C ₂H ₄ or H₂C=CH₂. It is a colorless flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene. Ethylene is widely used in the chemical industry, and its worldwide production exceeds that of any other organic compound.

Explanation:

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