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प्रश्न
How does the animal in the figure protect itself?
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उत्तर
Body of sea anemone has cnidoblast-bearing tentacles which help it to protect itself.
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संबंधित प्रश्न
Identify me.
I am diploblastic and acoelomate. Which phylum do I belong to?
Label the following.
Tentacles are used for capturing the prey.
Give scientific reason.
Our body irritates if it comes in contact with a jellyfish.
How do we destroy the harmful insects?
Draw a neat and labelled diagram.
Hydra
State whether true or false. If false, correct the statement.
Canal system is seen in coelenterates.
Match the following.
| PHYLUM | EXAMPLES | ||
| (A) | Coelenterata | (i) | Snail |
| (B) | Platyhelminthes | (ii) | Starfish |
| (C) | Echinodermata | (iii) | Tapeworm |
| (D) | Mollusca | (iv) | Hydra |
What is nematocyst?
Real organs are absent in
______ are diploblastic.
How is the body wall of coelenterates arranged?
Alternation of generations in Coelenterata is known as
What is metagenesis? Mention an example which exhibits this phenomenon.
Differentiate between polyp and medusa
Give an example for the following:
Animal, which exhibits alternation of generation
