Predator and Prey
Wolves vanish from the valley. Ten years later there are fewer deer than before, not more.
How can that be?Predator and Prey — explained
Two animals, briefly: the lynx hunts, the hare is hunted. That is all you need about either of them — because they are the endpoints, and the lesson is the line between them.
The idea — Predator and Prey
Each one controls the other, and always a season late.
That delay is why the numbers swing instead of settling — and why removing one end never frees the other.
Questions about Predator and Prey
What is the relationship between predator and prey populations?
Each one controls the other, and always a season late — that delay is why the numbers swing instead of settling.
What happens if you remove a predator like the wolf from an ecosystem?
Removing one end never frees the other — even after wolves vanish, deer numbers can end up fewer, not more, ten years later.
What roles do the lynx and the hare play in this lesson?
The lynx hunts and the hare is hunted; they are the two endpoints, and the lesson is the line of interaction between them.
Why do predator and prey numbers swing instead of staying stable?
Because each population responds to the other with a delay of about a season, causing continuous swings rather than a steady balance.
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