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Explain the Malthus' Theory about population growth?
Darwin's Theory was also based on Thomas Malthus' writings on population growth, in which he explained that populations grow geometrically. For instance, a population may double every generation, whereas the food supply increases only arithmetically (that is, increases by a constant number - say 3 for instance - whereby 3 increases to 7, to 11, 15, and so on). If reproduction were allowed to continue unchecked, a population like elephants would cover the earth's surface before long. The fact that the earth isn't covered with elephants can be attributed to natural causes that limit the population growth. Natural causes such as death, disease, and limited resources serve to keep population levels down.
Define Class – Arachnida? The class Arachnida (Arachnida = spider) has terrestrial and few aquatic animals. It includes spider, scorpions and mites. 1. Prosoma bears. six pair
Which of the following amino acids would you expect to produce a similar sickling effect if placed at position 6? Select all that apply. 1. Arginine 2. Leucine 3. Lysine
How did Darwin reach the principle of natural selection from the observation of differences among individuals of the same species? The Darwin recognized that in a same species
Define the Process of Feeding 0-6 Months Infant? The term exclusive breast feeding is used when all fluids, energy and nutrients are provided by breast milk, with the possible
what is filter feeding?..
How are human voices created? Human voice is formed with the help of muscles in the neck and the vocal cords. The tighter the vocal cords the higher the pitch of voice. This is
Suppose the restriction endonuclease HindIII cuts a6.0 kb linear piece of DNA into two fragments; an 800 bp fragment and a 5200 bp fragment..... Question: Suppose restriction
what is meant by "pelagic"?
Describe the structure of pectin Its structure is presented in the figures (a) and (b). Pectin is a polygalacturonic acid ester along with rhamnose, arabinose and galactose.
Caruncle - Seed Appendages This is a white, collar-like structure borne on the micropylar end of the seed in many members of the Euphorbiaceae, such as castor, Ricinus communi
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