scales
lungs
paired appendages
a tail
skin glands
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Hmm... Captivating. This question is twisted only in the use of english! So if u had misinterpreted, u fail it. Firstly, "the feature that distinguish a TOAD or FROG from a fish" which means the primary animal is TOAD. Secondly "is the absence of" which means the feature is absent in our primary animal TOAD. Yes, lungs is absent in a fish but we are looking for what's absent in a TOAD which is the scale.
Correct ans = SCALE
dey all possess tails...d tail of a toad z very small....d only tin toads/frogs and fishes does not av in common is "scale"
Fish has lungs according to ESSENTIAL BIOLOGY. n toad o frog has tail wen consider @ early stage. Bt my confusion dere z D GLAND dos fish has gland @ al ? I tnk z no. D last option z my ansa
the answer is scales, reasons :
their is no toad or frog that has scales
and coming to lungs, there are many fishes which do Aestivation! this is the act of being dormant in unfavorable condition till favourable one returns. eg, the lung fishes do so. they stay on dry land throughout the Aestivation period, therefore, the answer should be scales
D question says wat distinguishes toad or frog frm fish nd NOTE: its says d absence of not d presence of jamb knws day toad has lungs while fish doesn't but d question says d absence of = SCALES
itz correct coz both living creatures posseses a tadpole durin thier life cycle, and a tadoe consist of a TAIL-like structure
Fishes respire through their mouth,gills and operculum. Frogs(amphibians) respire through their SKIN,a major process called cutaneous respiration. Fishes possess streamlined scaly body which helps them in locomotion, amphibians do not possess scales hence their appendages are modified for movement. Both fishes and amphibians possess lungs which assist also to achieve a systemic circulation in their body tissues.
In summary,the answer should be A since amphibians lack scales which fishes possess.
but some frogs or toads which stays mostly in water are scaly guys,i av seen scaly toads
