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Diversity In Living Organisms — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceDiversity In Living Organisms3 Marks
Question
What are differences between the following:
Amphibia and Reptilia.
✓

Answer

 
Amphibia
Reptilia
i.
Their skin is glandular, smooth and moist.
 Their skin is non-glandular, dry and keratinized.
ii.
 Scales are not present in them.
Horny scales are present over their body.
iii.
 They have a three chambered heart. Their heart is incompletely four chambered. 
iv.
 Fertilisation is external. Fertilisation is internal.

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