In $1938$, a coelacanth was found in
South America
South Africa
Australia
England
The fish caught was named Latimeria and is considered as connecting link between fishes and amphibians.
Wings of insects and birds are
Aphid Acyrthosiphon transmit which of the following causal agent
The early stage human embryo distinctly possesses
The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining
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