Non Chordates (Invertebrata) - Phylum: Arthropoda

Assertion (A): The Arthropods have an open circulatory system. 
Reason (R): The cells and tissues are bathed in blood.

Write the correct co-relation.

Butterfly : Arthropoda : : Earthworm : ______.

Example of phylum Arthropoda is ______.

Give an example of the following:

An oviparous mammal

Which phylum has the characteristic phenomenon ‘jointed appendages’?

To which phylum does Cockroach belong? Justify your answer with scientific reasons.

Observe the following diagram. Write the answers of the following questions.

1. To which phylum does the animal included in the diagram belong?
2. What is the exoskeleton made up?
3. What is the symmetry?

Observe the following figure and answer the following.

1. Due to which common characteristic the animals shown in the figure belong to the same phylum?
2. The exoskeleton of these animals is made up of which chemical?
3. Give another two examples of this phylum.