Question

Identity the correlation between the first two words and write the suitable words in the forth place
Annelida : Earth worm :: Platyhelminthes : ..........​

Answer 1

Annelida : Earth worm :: Platyhelminthes : Flat worm

• Annelida has segmented ring like body structure
• Platyhelminthes has flat body type
• both are invertebrate
• earth worm is the example of annelida
• flatworm is the example of Platyhelminthes
• both are acoelomates that means they do not have any body cavity

Answer 2

The correct answer is Tapeworm or Flatworm.

Explanation:

• Features of Flatworms:

1. They are Invertebrates.
2. Their body's nature is soft.
3. They have a symmetry that is bilateral in nature.
4. They have no coelom.
5. There is absence  of circulatory system.
6. There is no segmentation in their body.
7. Found in terrestrial and aquatic habitat.
8. Belongs to the Phylum Platyhelminthes.

• Features of Earthworms:

1. They are Invertebrates.
2. Their body is streamlined.
3. They have a symmetry which is bilateral.
4. Fluid filled coelom.
5. Simple circulatory system.
6. Their body is segmented.
7. They are found mostly in soil.
8. They belongs to the Phylum Annelida.