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प्रश्न
How does locomotion occur in earthworms?
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उत्तर
Locomotion occurs through the alternate contraction and relaxation of circular and longitudinal muscles, assisted by tiny bristle-like structures called setae that grip the ground.
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संबंधित प्रश्न
Write four distinguishing characters of phylum - Echinodermata.
Identify the class of the animal shown in the figure and write any two characteristics.
Find an odd one out.
Water vascular system is found in ______.
The locomotory organs of Echinodermata are
Match items of column (A) with items of column (B)
| (A) | (B) | ||
| (a) | Pore bearing animals | (A) | Arthropoda |
| (b) | Diploblastic | (B) | Coelenterata |
| (c) | Metameric segmentation | (C) | Porifera |
| (d) | Jointed legs | (D) | Echinodermata |
| (e) | Soft bodied animals | (E) | Mollusca |
| (f) | Spiny skinned animals | (F) | Annelida |
______ is not a characteristic of Phylum Echinodertnata.
Mention two features of phylum Echinodermata.
______ separates the digestive tract from the body wall.
The locomotion of phylum Echinodermata is affected by ______.
Analogy:
Echinodermata: ______:: Soft Bodies Animals: ______.
In the animals belonging to the phylum Echinodermata, the body is divided into head, muscular foot, and the visceral mass.
Which of the following animal does not belong to Phylum Echinodermata?
Identify the following animal and answer the questions that follow.
- Name its phylum.
- Name any two other examples of this phylum.
- Mention any two characters of this phylum.
