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प्रश्न
The symmetry exhibited in cnidarians is ______.
पर्याय
Radial
Bilateral
Pentamerous radial
Asymmetrical
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उत्तर
The symmetry exhibited in cnidarians is Radial.
संबंधित प्रश्न
What is the difference between direct and indirect development?
Write in brief about progressive changes in animal classification.
What is the exact difference between grades of organization and symmetry? Explain with examples.
Complete the following chart.
| Body cavity | Germ Layer | Phylum |
| Absent | ______ | Porifera |
| Absent | Triploblastic | ______ |
| Pseudocoelom | ______ | Aschelminthes |
| Present | ______ | Arthropoda |
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
The largest division of the living world is ______.
In Pheretima locomotion occurs with the help of ______.
Which of the following have the highest number of species in nature?
Lateral line sense organs occur in ______.
Compare Schizocoelom with enterocoelom.
Identify the structure that the archenteron becomes in a developing animal.
Choose the term that does not belong in the following group and explain why it does not belong?
Notochord, cephalisation, dorsal nerve cord and radial symmetry.
Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.
Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called ______.
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
