pathogens

There have been numerous well-documented extinctions of indigenous species caused by the introduction of non-indigenous predators and pathogens.

由于引入了非本地的捕食者和病原体，已经有许多本土物种灭绝的记录，证据确凿。

Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.

许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。

Caused by common pathogens were Streptococcus pneumoniae, Haemophilus influenzae and Moraxella bacteria Mora.

引起感染的常见病原体为流感嗜血杆菌、肺炎链球菌和卡他莫拉菌。

Those pathogens evolve resistance.

接着病原菌产生耐药性。

"They´re not harmful pathogens," she says.

“它们不是有害的病原体，”她说到。