Which symbiotic relationship are the following examples 1 Which symbiotic relationship are the following examples 1. Spider building a web in a tree. 2. Protozoans that live inside termites and help them digest wood. 3. Fleas and mosquitoes feed on blood from other organisms. Agenda for Wednesday Jan 25th Succession notes with worksheet Finish lab

Succession Succession is the changes that take place in a community as it gets older Primary and Secondary Climax community is the last stage of succession Stable - little change in species

Primary Succession No top soil only rare rock Very slow! Pioneer species (lichens/mosses) create soil by breaking down rocks Very slow!

Secondary Succession Disturbance disrupts a community Fire, flood, windstorm, etc Soil and some species remain New plants/animals may take over at first Natural tendency for species of mature community to return

Which type of succession is faster? Check Your Knowledge Which type of succession is faster? A: Secondary! There is already soil present and areas nearby will help populate it

Pond Succession

Blaine High School 1979

Wetland Succession in Action