The common example of sublimation is shrinking of ice cubes that are not used in the freezer and conversion of dry ice rapidly into wispy clouds which vanish very soon
The Characteristics of life are growth, reproduction, homeostasis, sense and respond to stimuli, obtain and use energy, made of cells, adapt and evolve.
Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.
Explanation:
The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.
The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.
Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac
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Explanation:
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