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प्रश्न
How do we destroy the harmful insects?
उत्तर
Tentacles are useful for capturing the prey, whereas cnidoblasts penetrate the skin as a defensive action and inject toxins into the body of the harmful insects thus destroying them.
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संबंधित प्रश्न
Identify me.
I am diploblastic & acoelomate. Which phylum do I belong to?
Give scientific reason .
Our body irritates if it comes in contact with jelly fish.
Sketch, labell and classify Hydra .
Label the following.
Porifera : Asymmetrical : : Cnidaria : __________
Tentacles are used for capturing the prey.
The body of the animal in which phylum is radially symmetrical and diploblastic?
How does the animal in the figure protect itself?
To which phylum I belong to, if I have cnidoblast-bearing tentacles?
Draw a neat and labelled diagram.
Hydra
State whether true or false. If false, correct the statement.
Canal system is seen in coelenterates.
Why coelenterates are called diploblastic animals?
How is the body wall of coelenterates arranged?
Which of the following traits is not shared by both sea anemones and jelly fish?
Provide appropriate technical term in the space provided.
Free-floating form of cnidaria ______.
Differentiate between polyp and medusa
Give an example for the following:
Animal, which exhibits alternation of generation