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Case Study: Predator- Prey Adaptations
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Predator Vs. Prey Adaptations
Prey is constantly at risk of being hunted so they need to find their niche: their way of avoiding being eaten ( Ch. 8, Sec. 2).
When the niches of animals
mix, competitions occur. One of these competitions is predation (ch.8 Sec.2).
Predation involves 4 steps: detection, attack, capture,
and consumption. Prey have developed adaptations to
survive each of these four steps.
A common choice is camoflague:
this obscures the recognizable features of the animal which is usually the head.
Many species are poisonous. Predators learn to avoid these species over time and the species usually makes themsleves identifiable as poisonous.
http://biology.about.com/od/ecology/a/defensemechan.htm
Predator to Prey
Mimicry
(cc) image by nuonsolarteam on Flickr
Many species will imitate a
known poisonous or
dangerous counterpart to avoid being potentail
prey
When there are large pop. of prey there or generally large pop. of a predator. These can occur in a yearly cycles
Such as
And this octopus blends
with the rocks.
For Example, this seal camoflagues
with the snow and ice.
Trickery
These frogs are using very bright
coloring to warn predators that they are poisonous.
False features that appear to be enormous eyes or appendages can serve to evade potential predators
This scorpion looks dangerous and it is,
predators know that scorpions are bad for them.
http://en.wikipedia.org/wiki/Antipredator_adaptation