Which one of the following pairs of animals is similar to each other?
Seahorse and Flying fish – Cold-blooded (poikilothermic)
The correct option is D.
Explanation of correct option:
Explanation of incorrect option:
Option A:
Annelids and arthropods display metameric segmentation, while Ascaris and Ancylostoma lack it as they are unsegmented.
Option B:
All reptiles have three-chambered hearts, though garden lizards and crocodiles belong to the reptile family they have four-chambered hearts.
Option C:
Pteropus is a viviparous mammal, and Ornithorhynchus is an oviparous mammal. We call viviparous animals those who give birth to young ones.
Final answer: The pair of animals which are similar to each other is Seahorse and Flying fish – Cold-blooded (poikilothermic).