大约4万6千年前，在一种使用工具、高度智能的捕食者入侵后不久，澳大利亚主要的陆地生物发生了一些巨大的变化。
Something dramatic happened to Australia's dominant land creatures—somewhere around 46,000 years ago, strikingly soon after the invasion of a tool-wielding, highly intelligent predator.
没有人关心那些野生生物发生了什么。
切花在无菌水和自来水中微生物发生相近。
No significant change in microorganism activity was observed of cut roses held in aseptic water and tap water.
果园有害生物发生、监测、防治情况及有关记录。
The happening, monitoring, prevention and control of harmful organisms of the orchard, and related records thereof.
这些研究者讨论赞成和反对鼠肝微体生物发生的几种模式的证据。
Those workers discuss the evidence for and against several models for microbody biogenesis in rat liver.
通过与靶分子的结合，所述卟啉原衍生物发生可探测到的电磁辐射的吸收和发射。
Upon binding of the target molecule, the porphyrinogen derivative undergoes a detectable adsorption and emission of electromagnetic radiation.
湖南林业有害生物发生形势严峻，而有害生物天敌产品的研究与开发现状不容乐观。
Forestry pests is a serious problem in Hunan, while the researching and exploiting biological control products are not optimistic now.
所有管道均应采用性质稳定，且不会与高氯酸及其衍生物发生反应的材质，风道接缝要光滑焊接。
All ductwork shall be constructed of materials that will be stable to and not react with perchloric acid and/or its byproducts and will have smooth welded seams.
通过对其诱变机理的研究表明：太空的强辐射是生物发生诱变的主要原因；微重力是重要的辅助条件。
The study on the mechanism of mutation of living things in space showed that strong radiation in space was the main reasons, and the micro-gravity was another important condition for the mutation.
抗菌素耐药性指微生物对原本有效的抗菌素产生耐药性，当微生物发生突变或获得耐药基因时，就产生了耐药性。
Antibiotic resistance to originally effective means microbes antibiotic resistance mutations or, when microbes get resistance genes, it showed resistance.
将微生物注入油藏，滞流在油藏岩石孔隙中的微生物发生生化反应，可产生表面活性剂、溶剂、醇类、可溶气、酸和聚合物等。
Results including surfactant, solvent, alcohol, soluble gas, acid, polymer and so on May be produced by the biochemistry reaction of the microbe injected and occluded in reservoir pores.
抗菌素耐药性是由使用抗菌素药物，特别是对抗菌素药物的不当使用造成的，当微生物发生突变或获得耐药基因时，就产生了耐药性。
AMR is a consequence of the use, particularly the misuse, of antimicrobial medicines and develops when a microorganism mutates or acquires a resistance gene.
她是从一只成年母羊的单个细胞中克隆出来的，这推翻了长期以来一直坚持的科学教条，该教条宣称这样的事情在生物学上是不可能（发生）的。
She was cloned from a single cell of an adult female sheep, overturning long-held scientific dogma that had declared such a thing biologically impossible.
宇宙学、地质学和生物学对所发生的事情提供了一致的、统一的和不断改进的解释。
Cosmology, geology, and biology have provided a consistent, unified, and constantly improving account of what happened.
可能是冬季土壤中发生的生物过程，导致夏季灌木生长增加，原因如下：有“微生物”，即生活在土壤中的微生物。
It may be biological processes that occur in the soil in the winter, that cause increased shrub growth in the summer, and here's how: there are "microbes", microscopic organisms that live in the soil.
向触性是指生物体接触到刺激时发生向性运动。
Tropism refers to the tropism that occurs when an organism is exposed to a stimulus.
但原本分离的两个生态系统在被人工连接后，彼此之间发生物种入侵的情况并不罕见。
It's not uncommon for invasions to occur when humans connect ecosystems that have naturally been kept separate.
大规模的生物变种也在发生。
这里的关键是：硫是一个正在发生的生物机制的副产品。
The key thing here is that this sulfur is a byproduct of a complex biological mechanism that is occurring.
采获不可再生的生物质可使森林遭受破坏，因而发生气候变化。
Non-renewable harvesting of biomass contributes to deforestation and thus climate change.
他开始怀疑，是否同样的事情可能发生在生物技术领域。
He began to wonder if the same thing could happen for biotechnology.
同样这发生与分子生物学技术的应用上。
The same is happening with the use of molecular biology techniques.
显然，矿物并没有基因，因此不能像生物一样发生突变。
Obviously, minerals do not have genes and thus cannot mutate as living things do.
尽管，我不知道生物学上我正在发生些什么。
Even though I didn't know what was happening to me biologically.
这是因为人脑的可塑性，使适应的过程在生物学水平上也发生了变化。
Thanks to our brain’s plasticity, the adaptation occurs also at a biological level.
它的出现提醒我们要为变化莫测的微生物世界发生的反复做好准备。
Its emergence reminds us to be prepared for setbacks arising from the constantly changing microbial world.
他们发现，与较高营养级的生物相比，生物事件的变化更多地发生在处于较低营养级的生物体中。
What they found was that the changes in biological events were greater toward the bottom of the food chain than they were at the top.
他们发现，与较高营养级的生物相比，生物事件的变化更多地发生在处于较低营养级的生物体中。
What they found was that the changes in biological events were greater toward the bottom of the food chain than they were at the top.
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