当冰川消退，分离的动植物种群再次接触。
When the glaciers retreated, the separated populations of plants and animals came into contact again.
该软件在15分钟内处理好并生成了一张植物种群统计图。
The software completes its processing in under 15 minutes producing a plant population count map.
这位农学家确信用他的软件能得出接近精准的植物种群数量。
The agronomist is sure that he will obtain a near accurate count of plant population with his software.
这种辩护导致了一个过于草率的结论，即运动狩猎能产生更健康的动物种群。
This defense leads to the overly hasty conclusion that sport hunting produces a healthier population of animals.
然而，对于一种生物种群而言是大灾难的事件，却有可能给另一种生物种群创造机会。
What is a catastrophe for one group of living things, however, may create opportunities for another group.
例如，岛屿通常没有大型食肉动物的殖民地，或者太小而无法容纳可行的食肉动物种群。
For instance, islands often have not been colonized by large predators or are too small to hold feasible predator populations.
此外，肮脏、拥挤的住所促进疾病在许多动物种群中扩散，这实际上是昆虫对居住地方的选择。
Furthermore, the squalid, cramped quarters that encourage diseases to propagate among many animal populations are actually the residental choice for insects.
第一个和第三个可能是生物群落结构的关键因素；也就是说，所有的生物种群都生活在一起，并且它们可能在一个特定的区域内相互作用。
The first and the third can be key factors in the structure of a biological community; that is, all the populations of organisms living together and potentially interacting in a particular area.
利用微生物种群共生共培养来研究木薯淀粉的生物降解性。
The biodegradability of tapioca starch was studied by using micropopulation symbiotic cocultures.
真菌是恶名昭著的物种群。
这包括全球变暖和动植物种群的灭绝。
These include global warming and loss of some kinds of plant and animal life.
这使得一些动物种群变得比其他种群更容易灭绝。
药用植物通过收集野生生物种群和栽培植物来提供。
Medicinal plants are supplied through collection from wild populations and cultivation.
海洋浮游植物种群数量可因环境条件的变化而增长或下降。
Populations of this Marine plant will grow or diminish rapidly in response to changes in its environment.
这种与世隔绝的状态使得有袋动物种群安全地进化了几千年。
The very word connotes isolation — an isolation that has allowed pockets of animal species to evolve in safety over the course of thousands of years.
事实上，每台生物反应器都宿居着具有鲜明特色的微生物种群；
In fact, each bioreactor hosted its own distinct mix of microorganisms;
各式各样的珊瑚生活在这里，活动在其间的不乏特有的动物种群。
A whole different set of corals live down here-and with them come a specialised fauna.
科学家发现，一个特定的浮游植物种群，一天之内其数量可以翻一番。
Scientists have found that a given population of phytoplankton can double its Numbers on the order of once per day.
知识和可持续性：草药产品的材料采集自野生植物种群和种植的药用植物。
Knowledge and sustainability: Herbal materials for products are collected from wild plant populations and cultivated medicinal plants.
一旦条件成熟，浮游植物种群数量会呈爆炸性增长，这一现象被称为水华。
When conditions are right, phytoplankton populations can grow explosively, a phenomenon known as a bloom.
由于猎杀鲸鱼，鲨鱼和大型鱼类，我们也就减少了碳在这些物种群的储存量。
By removing whales, sharks and large fish, we've reduced the amount of carbon stored in these populations.
由于猎杀鲸鱼，鲨鱼和大型鱼类，我们也就减少了碳在这些物种群的储存量。
By removing whales, sharks and large fish, we ve reduced the amount of carbon stored in these populations.
Andes山脉和亚马逊丛林是世界上至少一半植物种群和动物种群的家园。
The Andes mountain range and the Amazon jungle are home to more than half of the world's species of flora and fauna.
报告说，蜜蜂和其他采花生物种群不断减少，这已引起人们对授粉水平的关注。
Reports of declining populations of bees and other flower-visiting creatures have raised concerns about pollination levels.
它们的数量，现在已经上百万，对整个澳大利亚的很多本土生物种群造成了威胁。
Their population, now in the millions, threatens many native species across Australia.
抗菌素的使用扰乱了微生物种群的平衡，致使耐药生物增多，感染模式发生变化。
Antimicrobial use disrupts the balance of microbial populations, leading to a rise in resistant organisms and changes in patterns of infections.
比如，他们需要解释动物种群为什么会受到降雨量变化的影响，以及可以采取何种预防措施。
They need, for example, to explain "why an animal population is affected by changes in rainfall, and what might be done to protect it."
该地区的农民们注意到了沼泽地生产力的重大下降，以及随之而来的干旱使得大量动物种群迁出。
Farmers in the area have seen a significant decline in the marsh's productivity as successive droughts have driven away many animal populations.
这对关于表皮图案的另一理论解释是当头一击，此种解释认为斑点是同一动物种群的共有标记形式。
That knocks on the head an alternative explanation for coat patterns, namely that spots are some form of signal between animals of the same species.
这对关于表皮图案的另一理论解释是当头一击，此种解释认为斑点是同一动物种群的共有标记形式。
That knocks on the head an alternative explanation for coat patterns, namely that spots are some form of signal between animals of the same species.
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