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प्रश्न
What are flame cells?
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उत्तर
Flame cells are the specialized excretory cells in flat worms. They help in excretion and osmoregulation.
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.
Draw a neat and labelled diagram.
Jellyfish
The following characteristics are essential for classification.
The largest division of the living world is ______.
The symmetry exhibited in cnidarians is ______.
In Pheretima locomotion occurs with the help of ______.
Which of the following is a crustacean?
Match the following columns and select the correct option.
| Column – I | Column – II | ||
| (p) | Pila | (i) | Devil fish |
| (q) | Dentalium | (ii) | Chiton |
| (r) | Chaetopleura | (iii) | Apple snail |
| (s) | Octopus | (iv) | Tusk shell |
Identify the structure that the archenteron becomes in a developing animal.
______ is a fluid-filled body cavity.
Which organism is called Friends of farmers? Why?
Examine the figures of diploblastic (i) and triploblastic (ii) organization in animals given below and identify the labelled parts A to D.
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
Differentiate between a diploblastic and a triploblastic animal.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
Animal with bilateral symmetry in ______.
