1. 1.3 Interactions among living things

2. Adapting to the environment – Natural selection – A process by which characteristics that make an individual better suited to its environment become more common in the species – Niche – The role of an organism in its habitat, or how it makes it’s living.

3. Niche

4. 3 types of interactions among organisms 1.Competition – The struggle between organisms to survive as they attempt to use the same limited resources. 2.Predation – Effects of predation on population size – Predator adaptations – Prey adaptations 3.Symbiosis – Mutualism – Commensalism – parasitism

5. 3 types of interactions among organisms Predation – An interaction in which one organism kills another for food. – Effects of predation on population size – Predator adaptations – Prey adaptations

6. Predator adaptations

7. Prey adaptations

9. 3 types of interactions among organisms Symbiosis – a close relationship between two species that benefits at least one of the species. – Mutualism – Commensalism – parasitism

10. 3 types of Symbiosis – Mutualism – a relationship between two species in which both species benefit. http://www.youtube.com/watch?v=8YKAalZAqO4 http://cole14.wikis.birmingham.k12.mi.us/Interactio ns+Among+Living+Things (Rhino and bird)

11. 3 types of Symbiosis – Commensalism - a relationship between two species in which one species benefits and the other is neither helped nor harmed.

12. 3 types of Symbiosis – Parasitism - a relationship in which one organism lives in or on a host and harms it.