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Question
Observe the following figure and answer the following.
- Due to which common characteristic the animals shown in the figure belong to the same phylum?
- The exoskeleton of these animals is made up of which chemical?
- Give another two examples of this phylum.
Solution
- The animals shown in the figure belong to the same phylum (Arthropoda) due to the following common characteristics:
i. They have jointed appendages, which is the characteristic feature of members belonging to phylum Arthropoda.
ii. Their body is triploblastic, eucoelomate, bilaterally symmetrical, segmented and divisible into head, thorax and abdomen.
iii. Their exoskeleton is chitinous. - The exoskeleton of these animals is made up of chitin.
- Crab, spider, millipede, centipede, cockroach, honey bee, etc.
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Assertion (A): The Arthropods have an open circulatory system.
Reason (R): The cells and tissues are bathed in blood.
One of the representatives of phylum Arthropoda is
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Excretory organs of arthropods are ______.
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Give an example of the following:
An oviparous mammal
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Identify my class/phylum and give one example of it:
We form the highest number of animals on the planet. We have bilateral symmetry and our exoskeleton is in the form of chitin.
Write the correct co-relation.
Butterfly : Arthropoda : : Earthworm : ______.
Which of the following animal is matched with the wrong excretory organ?
Example of phylum Arthropoda is ______.
