species

Explanation:This response is correct because the speaker refers to the impact of meiosis on species throughout the recording. Additionally, the sentence requires a countable noun to follow “the” and “species” is a countable noun.

Transcript

So what, what meiosis does for every species is generate a lot of diverse individuals. Individuals with different capabilities. In the hope, that by having a population with very diverse individuals that at least some of them will be competent to survive. And, it's wildly successful, almost, almost every species on this planet has meio … has, has a way to create genetically diverse gametes, and they use meiosis to do that. Ok, so ,um, meiosis is extremely important in the evolution of life and the survival of the (species).