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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
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?
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: _______
The following characteristics are essential for classification.
Species is the ______ unit of classification.
Which of the following animals has a true coelom?
In Pheretima locomotion occurs with the help of ______.
Which of the following have the highest number of species in nature?
Which of the following is a crustacean?
Compare Schizocoelom with enterocoelom.
______ was a greek philosopher who classified animals.
______ is a fluid-filled body cavity.
Match the following list of animals with their level of organisation.
| Division of Labour | Animal |
| Column I | Column II |
| A. Organ level | i. Pheretima |
| B. Cellular aggregate level | ii. Fasciola |
| C. Tissue level | ii. Spongilla |
| D. Organ system level | iv. Obelia |
Choose the correct match showing division of labour with animal example.
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 ______.
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
