IN –What is the title of Unit 6? –Define the title.

Through Notes on Ecology OUT –Prepare yourself for the final

Limiting factor-anything that can slow, or limit, the growth of a population –Biotic-food –Abiotic-space, climate Carrying Capacity-maximum population of a particular species –Not a certain number –Changes with environment

Population Density-Number of individuals in relation to the space the population occupies (ex. Mice) Competition- organisms compete for limiting factors (space, sunlight, nutrients, water) niche-role of an organism in a community

Habitat-place where an organism lives Symbiosis- organism that live in direct, physical contact with each other –Example –Fungi live on roots of plants and absorb nutrients from soil and fungi are nourished by photosynthetic products from the plant

Mutualism- symbiosis that benefits both organism –Example-relationship between cow and bacteria –Cow benefits-bacteria digest cellulose in plants that cow eats –Bacteria benefits- cow provides a steady supply of food

Read Page What are characteristics of Human- centered environmental ethic? What are characteristics of deep ecology environmental ethic? Which one are you? Explain.