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A short living plant in called.

A short live phase between meiosis II and II is

Statement -1 : Actinoids are very difficult to study. Statement-2 : Actinoids are radioactive elements having very short half lives especially of later members of actinides.

(a) How many million year ago, gigantic reptiles used to dominate on earth ? Give their common name and also mention the period and year in which they were predominanat on earth. (b) Why did these gigantic reptiles disappear from the earth in a short duration ? (c ) Name the most advanced living reptiles. List atleast two characters in which they resemble in mammals.

A : Poultry farming has definite advantage over live-stock rearing R : Poultry birds are easy to raise, can be acclimatised to a wide range of climatic conditions, have short life span and are prolific breeders