The phrase "allow it to survive" is correct and usable in written English.
You can use it when discussing the necessity of permitting something to continue existing or functioning, often in a context of challenges or threats.
Example: "In order to protect the ecosystem, we must take measures to allow it to survive despite the ongoing pollution."
Alternatives: "permit it to endure" or "let it persist."
Here it is important for the instructor to emphasize to the students that there are no steps in ontogeny, but instead that each depicted embryo represents a single, living individual with features of its own that allow it to survive.
For example, if a mosquito happened to inherit genes that prevent the lethal protein from accumulating in its body, or that allow it to survive high levels of the protein, these traits could get selected for over generations.
No matter where a given species evolved in the first place, its inherited functional abilities may allow it to survive in a variety of places under a variety of conditions through arbitrary amounts of time, and in association with other species.
Dan's company has very little debt, so interest payments are low, which he believes will allow it to survive.
United officials and its union leaders say they have made deep, meaningful cuts in the airline's cost structure that will allow it to survive if it gets the loan guarantees.
It was Mr. Pillsbury's daunting task to formulate and execute the strategy that would not only bring the legal attack on Sotheby's to an end but also cauterize the wound to the company's reputation and allow it to survive.
This reorganization could also enable C. albicans to assimilate available nutrients from its host allowing it to survive in a hostile microenvironment.
One of the more famous Antarctic animals, the icefish has natural antifreeze in its blood and body fluids, allowing it to survive the frigid temperatures of Earth's chilly bottom.
Photosynthetic symbiosis exists in several underwater species, such as the sea slug Elysia chlorotica, which incorporates the chloroplasts from algae that it feeds on into the cells of its intricately branched digestive system, allowing it to survive for months photoautotrophically [7].
Its ability to regenerate makes it unique and robust allowing it to survive various insults without sustained loss of function or capacity.
