Question

Elaborate how Richard Ebright   overcame all odds to become a scientist of invaluable  

contribution.  

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Answer 1

Answer:

Electromeric effect refers to a molecular polarizability effect occurring by an intramolecular electron displacement characterized by the substitution of one electron pair for another within the same atomic octet of electrons. Because animals are heterotrops, they can not produce their own food. Animals depend upon plants as the plants are the producers of the food becase they are autotrophs i.e. they can produce their own food. Answer: Because animals are heterotrops, they can not produce their own food.The dispersal of seeds by wind is called as anemochory. For anemochory, the seeds should be lightweight and should have some morphological features as wings, hairs, etc.

Madar and cotton seeds do not show presence of wings.

As stated above, seeds should be lightweight as well as should possess some morphological features for anemochory. Madar and cotton seeds show a dense coating of hairs around their testa. It enables the seeds to float in air.

Therefore, the correct answer is option D.