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प्रश्न
Draw a neat and labelled diagram.
Jellyfish
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उत्तर
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संबंधित प्रश्न
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
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 |
Which of the following animals has a true coelom?
In Pheretima locomotion occurs with the help of ______.
Which of the following is a crustacean?
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.
What are flame cells?
______ was a greek philosopher who classified animals.
______ is a fluid-filled body cavity.
Which organism is called Friends of farmers? Why?
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 ______.
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.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
Differentiate between open circulatory system and closed circulatory system
