Life Span of Some Living Organisms
What is lifespan? Each and every organism can live only a certain period of time. The period from birth to the natural deat…
What is lifespan? Each and every organism can live only a certain period of time. The period from birth to the natural deat…
Frog belongs to the Class Amphibia of Phylum Chordata . They can live in water as well as on land hence are called as amph…
Match Organs System to the correct organ. Click any tile to begin. Watch our 5 minute video on Organs systems …
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