1. It is a point and disputed issues in the field of evolutionary biology in the past 100 years. �ڹ�ȥ��100�������������һֱ������ѧ�о������һ���ȵ㡢�ѵ㡣
2. A "living fossil" of the species occur in a long-line forward evolution happened, was no evolutionary branches. ���ʯ��������ϵ�����е�ijһ��ϵ����δ����ǰ��������Ҳδ������֧������
3. DURING THE EVOLUTIONARY process, we must efficiently evaluate the fitness of thousands or millions of offspring in each generation. ���ݻ���������DZ����ÿ�������г�ǧ����ĺ����������Ч����Ӧ��������
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adj.
1. of or relating to or produced by evolution