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प्रश्न
Identify the structure that the archenteron becomes in a developing animal.
उत्तर
The archenteron becomes the cavity of the digestive tract.
संबंधित प्रश्न
What is the difference between direct and indirect development?
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Label the body organization of human in the following figure:
The following characteristics are essential for classification.
The largest division of the living world is ______.
Species is the ______ unit of classification.
Which of the following is a crustacean?
Lateral line sense organs occur in ______.
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 some animal groups, the body is found divided into compartments with serial repitition of at least some organs. This characteristic feature is called ______.
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 ______.
Which group of chordates possess sucking and circular mouth without jaws?
Differentiate between a diploblastic and a triploblastic animal.
Differentiate between open circulatory system and closed circulatory system
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?