A Moment of Science

Posts tagged predator

September 27, 2003

 

Were Butterflies Created by Bats?

Scientists aren’t exactly sure how butterflies evolved this way, but evidence suggest that these ears might be evidence that bats created butterflies by driving moths into the daylight. The idea is that with the evolution of bat echolocation, moths had to find some way of avoiding the predator’s jaws.

September 27, 2003

 

The Spider: Predator or Prey?

A female wasp stings a spider in her own web, temporarily paralyzing her. Then the wasp lays an egg on the spider’s abdomen. The paralysis wears off, and the spider gets up and goes about her business as usual.

September 27, 2003

 

The Math of Predator and Prey

For decades, mathematical ecologists struggling to formulate equations that accurately describe the relationship between predator and prey have come up against the following paradox: if the predators are too successful, the prey population dies out, and then the predators end up starving.

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