Hi the answer is called the Tm.
Hope this helps.
Fig reproduction and fig wasps are a common example used.
However, you're looking for two organisms so predator and prey. This could be Coyote and Deer, Lion and Gazelle... You name it.
Answer:
a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Explanation:
I'm pretty sure the answer is 25%. you can use a Punnett square