1. the plant produces the seed
2.pollen fertilizes the female part or the plant
3.the squirrel collects the seed
4. the squirrel buries the seed
5. squirrel doesn't come back for seed
6. a new plant grows
The question is asking to choose among the following choices that states the mechanism that would explain the said problem. In my own research and further investigation, I would say that the answer would be Genetic Drift. I hope you are satisfied with my answer and feel free to ask for more
Because the biggest threat to them is climate change!
The situation is an example of negative reinforcement.
In the condition of negative reinforcement, a stimulus especially an unpleasant stimulus is removed due to a particular behavior of the person. In this case, the unpleasant behavior is the headache, and taking aspirin is a behavior of Nancy, which cut of the stimuli, that is pain relieving. In negative reinforcement a particular behavior is increased, in order to remove the unpleasant stimulus.
I found this. I hope it helps.
Sorry I couldn't be more help.