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प्रश्न
Define the terms and give one example
Coelom
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उत्तर
Coelom: Coelom is the internal body cavity between visceral organs and body wall in which well-developed organs can be accommodated. In some animals pseudocoelom is present (e.g. nematodes) which is a body cavity not lined by mesoderm. True coelom is lined by mesoderm and first appears in annelids. Examples of animals in which true coelom is present are Earthworm, cockroach, snail, all chordates such as birds, humans, etc.
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संबंधित प्रश्न
Identify me.
I am diploblastic and acoelomate. Which phylum do I belong to?
Porifera : Asymmetrical : : Cnidaria : __________
Give scientific reason.
Our body irritates if it comes in contact with a jellyfish.
How do we destroy the harmful insects?
Real organs are absent in
______ are diploblastic.
How is the body wall of coelenterates arranged?
Alternation of generations in Coelenterata is known as
Differentiate between polyp and medusa
Name
An animal with cnidoblasts
