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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
Identify me.
My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?
Identify the class of the animal shown in the figure and write any two characteristics.
Find an odd one out.
What are the locomotory organs of the animal given in the picture?
Write a short note.
Starfish
Water vascular system is found in ______.
How does locomotion take place in starfish?
Which among the following is exclusively marine?
The locomotory organs of Echinodermata are
Hard calcium carbonate structures are used as skeleton by
The locomotion of phylum Echinodermata is affected by ______.
Which group of animals belong to the same phylum?
Which of the following animal does not belong to Phylum Echinodermata?
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.
Read the statements and answer accordingly:
Calcareous spines are present on the body. Tube feet are used for locomotion and capturing prey also.
- Identify the phylum and give one example.
