It helps organisms adapt to environmental changes.
它帮助生物体适应环境变化。
If so, the green algae would have been subjected to environmental pressures that resulted in adaptations that enhanced their potential to give rise to land-dwelling or organisms.
如果是这样的话，绿藻就会受到环境压力的影响，从而产生适应性，提高它们产生陆地生物或有机体的潜力。
Modified organisms may interbreed with natural organisms and out-compete them, leading to extinction of the original organism or to other unpredictable environmental effects.
被改造过的生物体和自然生物体混配，从而更具竞争力，使原有物种走向灭绝，或给环境带来未知的影响。
Resistant organisms spread via direct contact, environmental surfaces, waterways, and food.
耐药生物可通过直接接触、环境表面、水路以及食品进行传播。
"The real concern for agriculture is premature senescence and death induced by disease organisms and environmental stress, " says Thompson.
“农业上对于这问题的真正顾虑是，因为疾病感染和环境因素引起的早衰性衰老及死亡。” 汤姆斯说。
"The real concern for agriculture is premature senescence and death induced by disease organisms and environmental stress," says Thompson.
“农业上对于这问题的真正顾虑是，因为疾病感染和环境因素引起的早衰性衰老及死亡。” 汤姆斯说。
Furthermore, as early organisms were probably small, simple, and subtle in their environmental impact, the biogenicity of putative Archaean fossils is often ambiguous.
此外，由于早期有机体可能很小、很简单、又处于环境的微妙影响，一般假定的源于生物的太古代化石往往是模棱两可的。
Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.
兼性寄生的能在不同环境条件下活动的。用于某些生物，如细菌在有氧或无氧条件下都能生存。
Risk assessment constitutes an important part in legally controlling of environmental release of transgenic organisms and is a core subject in biosafety research.
风险评估是转基因生物环境释放依法管理的一项重要内容，也是生物安全研究的核心内容之一。
As awareness of environmental degradation has increased, so has the realization of the complexity of interconnected webs of relationships among organisms and the physical and chemical environment.
随着对日益恶化的环境的关注，人们也认识到了有机体与物化环境之间那种相互联系又错综复杂的关系。
Consulting the toxicity degrees and the division standards, defining the toxic levels and toxic degrees of the five pesticides and evaluating the environmental toxic effects on non-target organisms.
根据毒性等级及划分标准，明确了这几种农药的毒性大小和毒性等级，并评价了其对非靶标生物的环境毒性影响。
As people's attention to environmental safety, pesticide effect of beneficial to the environment organisms also attracted attention.
随着人们对环境安全的重视，农药对环境有益生物的影响也引起了重视。
Biotechnologists tinker with living organisms. They use biochemistry and genetics to create new products for the agricultural, industrial, and environmental industries.
生物科技学家利用生物技术和遗传学为农业，工业和环境工业创造新的产物。
This eruption was a massive occurrence with environmental impacts that were felt globally, however, it did not produce mass extinction of any widespread group of organisms.
这次喷发是一次足以影响全球的大事件，但是它没有引起任何广泛分布的生物种群的大规模灭绝。
Chemical pesticides are the main measures to control plant disease presently, which can make environmental pollution, pathogens drug-resistant and do harm to non-target organisms.
目前化学农药仍是防治植物病害的主要措施，但存在着易造成残留污染、诱发病原菌抗药性和伤害非靶标生物等不利影响。
Chemical pesticides are the main measures to control plant disease presently, which can make environmental pollution, pathogens drug-resistant and do harm to non-target organisms.
目前化学农药仍是防治植物病害的主要措施，但存在着易造成残留污染、诱发病原菌抗药性和伤害非靶标生物等不利影响。
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