Biological Communities Chapter 18. 18-1 How Organisms Interact in Communities Objectives Identify the distinguishing features of symbiotic relationships.
Biotic Relationships: Community Interactions. Biotic Relationships 1.Competition 2.Predation 3.Symbiosis.
“Land Biomes of the World” Mrs. Hartge’s Science Class.
Ecology: Symbiotic Relationships
Chapter Four Lecture- Ecosystems
Ecology EOC Review. Biotic vs. Abiotic Factors – Biotic = living (plants, animals, bacteria, fungus, protists) – Abiotic = non-living (temp, water, soil,
WAYS ORGANISMS INTERACT 4-2 .
Chapter 4 Ecosystems and Communities 4-1 The Role of Climate A.What is Climate? 1. Climate is the average yearly condition of temperature and precipitation.
Ecosystems 8.11 The student knows that interdependence occurs among living systems and the environment and that human activities can affect these systems.
Species Interactions Section 2-1. Species Interactions Species within a community develop close interactions, known as symbiosis. –“Sym” means together.
Forest Predator/Prey- predator does the hunting, prey is what is being hunted Hawk hunting a squirrel.
Unit 7: Theory of Evolution. The history… A long time ago people had no idea just how old the Earth truly is (4.6 billion years old). They wondered about.
