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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.
Sketch, label and classify star fish.
Find an odd one out.
What are the locomotory organs of the animal given in the picture?
Name the phylum in which earthworm and starfish belongs to.
Write a short note.
Starfish
Water vascular system is found in ______.
The locomotory organs of Echinodermata are
Hard calcium carbonate structures are used as skeleton by
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 |
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.
Read the following statements.
- Metagenesis is observed in Helminths.
- Echinoderms are triploblastic and coelomate animals.
- Round worms have an organ-system level of body organization.
- Comb plates present in ctenophores help in digestion.
- Water vascular system is characteristic of Echinoderms.
Choose the correct answer from the options given below.
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.
Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?
