Original sentence: ) Similarly, Robert Trivers, thinking in terms of the gene-centered model, developed the theory of reciprocal altruism, where one organism provides a benefit to another in the expectation of future reciprocation
Edited sentence: ) Similarly, Robert Trivers, thinking in terms of the gene-centered model, developed the theory of reciprocal altruism, where one organism provides a benefit to another in the expectation of future reciprocation..  The evolution of altruism is currently a very hot topic in biology, and by no means fully understood.Although the successor of Thomas Huxley and Bertrand Russell in the public imagination, his predecessors were unquestionably intellects of the first rank, and Dawkins is much more like Ernst Haeckel.This is contrary to his unfortunate assertion that we are nothing but "lumbering robots" to propagate our genes which has taken hold in some parts of the popular imagination