human

animal

biology

ology (the study of)

anthropology

alien

is a bartering animal, in which self-love or egotism is the primary human trait, and competitiveness the natural condition.

In The Wealth of Nations, Adam Smith conceived of humans as bartering animals, in which self-love or egotism was seen as the primary human trait, and competitiveness the natural condition (Smith, 1937 [1776].

is a loving being rather than a rational being.

A Loving Being Rather than a Rational Being: 'Scheler defined the human being not so much as a 'rational animal' (as has traditionally been the case since Aristotle) but essentially as a loving being. ' (Wikipedia)

is part of this universe and in this universe, but more importantly, the universe is in the human.

We are part of this universe... we are in this universe, but perhaps more important than both of those facts, is that the universe is in us. Neil deGrasse Tyson

is bad. If you think there is good in everybody, then you haven't met everybody.

. IF you think there is good in everybody, then you haven't met everybody.

is a being whose final useful purpose is to be fertilizer.

is the worst case scenario of an invasive species

Humans are the worst case scenario of an invasive species

is a species with a strong instinct for being unhappy at a highly developed level.

is the most highly evolved of animal that displays the most poorly evolved forms of behavior.

human, n.Definitions

human