In this race, the prey experience strong selective pressure to evolve better adaptations to avoid being eaten. At the same time, predators must capture sufficient food to survive and reproduce ...
Professor Richard Fortey looks at the predatory characteristics of the starfish and the dog whelk and the protective adaptations their prey have developed. The starfish use their sticky tube feet ...
Some sea stars have mouths much smaller than the prey that they eat; a special adaptation gets around this problem. After prying a shell open with their tube feet, some species of sea stars can ...
Predator-prey cycles show the natural rise and fall of numbers of predators and prey over time. All organisms in a food web depend upon each other and changes to one can affect the others.