The phrase "allowing them to invade" is correct and usable in written English.
It can be used in contexts where permission or opportunity is given for someone or something to enter or encroach upon a space or situation.
Example: "The lack of proper security measures is allowing them to invade our privacy without any consequences."
Alternatives: "permitting them to intrude" or "enabling them to encroach".
The agility of copepods might be one of the factors allowing them to invade this habitat.
A key role of Type III secretion is in overcoming host defense response [42], [43], although these pathways represent only one mechanism that bacteria can employ to silence the host immune system, thereby allowing them to invade and colonize the animal.
During this step, a small proportion of epithelial tumor cells lose cell-cell adhesion and gain higher mobility, thus allowing them to invade the adjacent tissues [ 2, 3].
Conversely, they also are implicated as virulence factors for parasites and pathogens, allowing them to invade or suppress host immune systems (McKerrow et al. 2006).
For example, dermatophytes secrete proteolytic enzymes which degrade the SC allowing them to invade and disseminate through it 66 and at the same time altering skin permeability.
Increases in anthropogenic nutrient inputs in recent years might be extending physiological limits of brackishwater species, in allowing them to invade and subsequently evolve in otherwise uninhabitable freshwater habitats.
"Certain animals and plants," Monbiot warns us, even "have characteristics that allow them to invade" – what, like Panzers and U-boats?
"We had announced to the Americans that according to international conventions, we would not allow them to invade our territories, but unfortunately they did not comply," Mr. Salehi said.
That is, one might expect that a sufficient amount of time had passed since they speciated for them to evolve ecological differences that would allow them to "invade" the ranges of each other and coexist over the same area.
"The distribution of many invasive species is today limited by temperature barriers, and climate change could allow them to invade regions that were inhospitable up to now", said the lead study researcher.
