1. Relationships in Ecosystems

2. Populations All of the same species in an ecosystem

3. Competition All living things compete for
Food
Space
Competition limits population growth

4. Limiting Factors
Anything that restricts or controls the number of individuals in a population

5. Carrying Capacity
The largest number of individuals of one species an ecosystem can support

6. Symbiosis
Any close relationship between species
en.wikipedia.org

7. Mutualism A relationship in which both species benefit Pollination
Cleaner fish
Lichens: algae + fungus
www4.tpgi.com.au

8. Commensalism
A relationship in which one species benefits and the other is neither helped nor harmed
Shark & remora
Barnacles on whale

9. Parasitism
A relationship in which one organisms benefits and the other is harmed
Mistletoe
Tick

10. Predator - Prey
Predators are consumers that capture and eat other consumers, called prey

11. Cooperation Organisms working together toward a common end or purpose