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Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Southern Royal Albatross, Diomedea epomophora, is a large seabird from the albatross family.
Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward
In 1879 an army officer founded the Carlisle School in Pennsylvania to “civilize” young Indians. The
Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity.
Physical and indirect aggression of boys and girls across childhood