Question

Ol puber
30. What are homologous organs? What is the significance of homologous organs in the
process of evolution ?
31. Why is tungsten used almost exclusively for flament of electric hu​

Answer 1

Answer:

30... The presence of homologous and analogous organs helps in evolutionary studies and tracing the ancistory of a fossil. The presence of homologous organs suggests that the organims is closely related to that species and shares a common ancestory.

31... Tungsten metal is used exclusively for making the filament of electric bulbs because it has a very high melting point. Due to its high melting point, the tungsten filament can be kept white hot without melting away.

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