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प्रश्न
Draw a neat and labelled diagram.
Jellyfish
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उत्तर
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संबंधित प्रश्न
If you are given a specimen, what are the steps that you would follow to classify it?
What is the difference between direct and indirect development?
Write in brief about progressive changes in animal classification.
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
The following characteristics are essential for classification.
The largest division of the living world is ______.
Which of the following animals has a true coelom?
In Pheretima locomotion occurs with the help of ______.
Lateral line sense organs occur in ______.
Identify the structure that the archenteron becomes in a developing animal.
Observe the animal below and answer the following questions.
- Identify the animal.
- What type of symmetry does this animal exhibit?
- Is this animal Cephalized?
- How many germ layers does this animal have?
- How many openings does this animal’s digestive system have?
- Does this animal have neurons?
______ is a fluid-filled body cavity.
In which of the following the notochord is present only in embryonic stages?
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.
Which group of chordates possess sucking and circular mouth without jaws?
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
