The presence of an endoskeleton is characteristic of
...The presence of an endoskeleton is characteristic of
invertebrata
vertebrata
insecta
coelenterata
Correct answer is B
No explanation has been provided for this answer.
The excretory structure in the earthworm is the ...
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The point marked I is referred to as ...
The feature that distinguish the toad or frog from the fish is the absence of ...
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