This week in
Biology we have been doing a lab that is about predator-prey relationships
among animals. The lab was specifically about owls and lemmings and how they
interact with each other. In a predator-prey relationship both of the animals
both rely on each other for their survival. The owls eat the lemmings and use
them for energy so they are pretty important. The population of owls will go up
when the population of lemmings go up because they need lemmings to survive.
Then the amount of lemmings will go down because the owls keep eating them but
then that causes the owl population to go down.
A
predator is an animal that eats other animals to survive. Predators rely on the
prey they eat for energy so they can reproduce and populate their area. When a
predator’s population goes up you immediately know that there was a rise in the
population of the prey. Predators don’t just eat prey they feed off of other
things too but they get most of their energy from other animals that they eat.
Prey is an
animal that is normally eaten by other animals. The population of prey relies
on the amount of predators in the area. If the amount of prey goes down, then
the amount of predators goes down which make the population of prey go back up.
Something important to keep in mind is that predators can become prey just like
how prey can become predators.
Questions:
1. What exactly is a predator?
2. What is considered a prey?
3. Can a predator become the prey and if so how?
4. How is the prey-predator relationship so important?
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