Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?

(A)Pteropus and Ornithorhynchus - Viviparity
(B)Garden lizard and crocodile - Three chambered heart
(C)Ascaris and Ancylostoma - Metameric segmentation
(D)Sea horse and flying fish - Cold blooded (poikilothermal)

The NCERT line that answers it

Verbatim line

They are cold-blooded animals.

Chapter: Animal Kingdom
Section: 4.2.11 Phylum – Chordata
Page: 11
Words matched: 4 of 4

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

6667, emb=0.9684, combined=0.8477). Verified: high — The span explicitly states 'They are cold-blooded animals' in the context of describing bony fishes, and the paragraph specifically lists both Sea horse (Hippocampus) and Flying fish (Exocoetus) as examples of marine bony fishes, conclusively proving option D.

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