12.3 What Types Of Interactions Affect The Stability Of An Ecosystem Flashcards
What is an ecosystem?
It is made up of the interactions between a community and its physical environment
Population
Organisms or the same kind living in the same environment
Community
Different populations of plants and animals living and interacting in a particular environment make up a community
What are the different types of interrelationships in an ecosystem?
Predator-prey relationship
Mutualism
Parasitism
what do predators and preys have to hunt and avoid being caught?
hunting strategies e.g. mimicking prey
prey have adaptations e.g.
- high speed
- small size
- effective camouflage
- defensive body parts (i.e. horns)
- some mimic unpleasant objects to fool their predators
what is mutualism
the relationship in which 2 or more organisms support or benefit one another
e,g, one organism provides another with protection in exchange for food
what is a parasite and what does it do and benefit
an organism that causes harm to another organism (Known as its host) without killing it
parasite benefits by obtaining its food or nutrients from the body of its host