num_pages: 680
description: Mr. Hanson, a professor of biology, concentrated on intracellular genetics. He was the author in 1981 of the widely used textbook, "Understanding Evolution." He also was the author of "The Origin and Early Evolution of Animals" (1977) &amp; of more than 50 research articles.
language: English
title: The Origin and Early Evolution of Animals
titlecomplete: The Origin and Early Evolution of Animals
publisher: Wesleyan