Ethology also the discontinuance of undesirable behaviours. The term "ethology" derives from the Greek language: ἦθος, "ethos" meaning "character" and , "-logia" meaning "the study of". The term was first popularized by American myrmecologist (a person who studies ants) William Morton Wheeler in 1902. Because ethology is considered a topic of biology, ethologists have been concerned particularly with the evolution of behaviour and its understanding in terms of natural selection. In one sense, the first modern ethologist was Charles Darwin, whose 1872 book "The Expression of the Emotions in Man and Animals" influenced many ethologists. He pursued his interest in behaviour
Catholic theology of the body positive image of man by stating his freedom and independence. God is truly free and the freedom of man, even if limited, is an image of God. Not only his freedom, but also his ability to love - God is love - and his immortality, make man an image of God. Regarding the human body, Gregory opines that it is created for procreation. In that, humans are like animals; however, the human body also has the capacity for reasoning and perception. The body has three forms of life: the vegetative, sensual and intellectual. The human body derives its dignity from