B4.1.3 - Competition and interdependence Flashcards
What is competition?
2 or more organisms contesting for resources
What do plants need to survive?
- Light
- Water
- Carbon Dioxide
- Minerals
- Space
What do animals need to survive?
- Food
- Water
- Breeding Partners
- Space (territory)
- Shelter
What is predation?
The relationship between a predator and a prey species. The size of the predator population directly affects the size of the prey population
What is mutualism?
A relationship in which both organisms benefit from it
What is parasitism?
A relationship in which only one organism benefits
What is an example of predation relationship?
As the prey population increase the food supply preys so they can survive and have more offspring but the more predators there are the more the food supply reduces so the number of predators decreases. The prey population then increases again and the cycle continues
What is an example of a mutualistic relationship?
Oxpeckers are small birds that live on buffaloes. They eat ticks and fleas living in the buffalo’s skin. They gain food, while the buffalo is free from irritation and potential disease
What is an example of a parasitic relationship?
Tapeworms in an animal’s digestive system, and fleas