Albert: The animals active in daytime are called diurnal animals whereas those are active only in night are called nocturnal animal. |
Priya: Vertebrates are animals with backbone whereas, invertebrates are animal without backbone. |
Who is correct? |
Sharma found an animal and made the following observation about the animal. |
1. The animal has a white body |
2. The animal feeds only plants. |
The animal is_______. |
When the light from a point source is blocked, a completely dark shadow is formed. |
What is the type of the shadow? |
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