Does the occurrence of diversity of animals on earth suggest their diverse ancestry also? Discuss this point ih the light of evolution.

Does the occurrence of diversity of animals on earth suggest their diverse ancenstry also? Discuss this point in the light of evolution.

Vishal Khanna Jewellers does retail business of jewellery at a very large scale. The firm has to pay to lot of attention to advertisement. The owners of the firm are aware that if they spend more time on advertisement, some other important activities are left pending. One of the partners of the firm suggested that if the job of advertisement is handed over to some Advertising Company, they might be relieved of that important activity. By doing so, they will get benefit of specialisation and their expenditure on this activity will be less also. The firm implement this, which gave favourable results. (a) Identify the emerging mode of business discussed in the above para. (b) Also explain any three other non-core business activities which can be done from outside organisations.

What is the frequency of occurrence of gynandromorphs in human and does it also occur in other animals?

Consider the following statements with respect to patterns of biodiversity . A. With very few exceptions, tropics (Iatitudinal range of 23.5^(@)N to 23.5^(@) S ) harbour more species than temperate or polar areas. B. In general, species diversity increases as we move away from the equator towards the poles . C. The diversity of plants and animals is uniform throghout the world but shows a rather even distribution . D. The largely tropical Amazonian rain forest in South America has the greatest biodiversity on earth. Of the above statements :

A physics teacher asked a student to find how much time does the light take to reach the earth if the distance between the sun and the earth is 150xx10^(6)km ? Teacher also gives an extra input that velocity of light is 3xx10^(8)ms^(-1) . What would be the answer of the student?