Early in the twentieth century william mcdougal proposed that there were human instincts.

18

Explanation:

Scientific development of the instinct theory consisted mainly of drawing up lists of instincts. In 1908, William McDougall (1871-1938) postulated 18 human instincts and within 20 years, the list of instincts had grown to about 10,000.

Although instinct theory has long been abandoned, sociobiologists have adopted its evolutionary perspective considering the new wide range of human behavior, from the standpoint of natural selection, from aggression to interpersonal attraction, and the survival of humans as species.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

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