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प्रश्न
Identify the structure that the archenteron becomes in a developing animal.
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उत्तर
The archenteron becomes the cavity of the digestive tract.
संबंधित प्रश्न
How useful is the study of the nature of body cavity and coelom in the classification of animals?
Distinguish between intracellular and extracellular digestion.
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Write in brief about progressive changes in animal classification.
What is the exact difference between grades of organization and symmetry? Explain with examples.
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Draw a neat and labelled diagram.
Jellyfish
Species is the ______ unit of classification.
Which of the following animals has a true coelom?
Which of the following is a crustacean?
Compare Schizocoelom with enterocoelom.
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.
______ was a greek philosopher who classified animals.
______ is a fluid-filled body cavity.
In which of the following the notochord is present only in embryonic stages?
Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.
In some animal groups, the body is found divided into compartments with serial repitition of at least some organs. This characteristic feature is called ______.
Differentiate between a diploblastic and a triploblastic animal.
