The most successful are then mutated again, in a process similar to biological evolution.
最成功的继续变异，如同生物进化的过程。
Before the existence of human, the process of biological evolution is accompanied with species extinction.
人类出现之前，生物进化的过程中就伴随着物种的灭绝。
The evolution of biological and ecological systems on this planet was and is a contingent and heuristic process.
地球上生物的进化和生态系统，都是一个队伍和启发式的过程。
T he process of biological evolution was very slow at first.
起初，生物进化的过程相当缓慢。
Biological invasion is a process of adaptive evolution in which hybridization and introgression play an important role in promoting invasive species by changing their invasiveness.
生物入侵是一个适应性进化的过程，天然杂交与遗传渐渗可以改变外来物种对环境的适应性并提高其入侵能力，使其进化成为入侵种。
Biological invasion is a process of adaptive evolution in which hybridization and introgression play an important role in promoting invasive species by changing their invasiveness.
生物入侵是一个适应性进化的过程，天然杂交与遗传渐渗可以改变外来物种对环境的适应性并提高其入侵能力，使其进化成为入侵种。
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