Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Many types of organisms live in a meadow. With the introduction of a large, swift-moving predator into the meadow ecosystem, which group of organisms will MOST likely have an advantage of surviving and reproducing?
rabbits that can run the fastest
Small, agile organisms.