Unformatted text preview: Ex) tapeworm and human Parasatiods: insects that lay eggs on living, multiple hosts b. Commensalism – one benefits, the other is neither harmed nor benefitted; Ex) Spanish moss – epiphyte (hangs from trees); “hitchhikers” such as barnacles (on whales) c. Mutualism – both species benefit; Ex) Ants and acacia plants D. Community Stability 1. Ecological succession – the change in an ecosystem over time / the evolution of a community; three stages: Tolerance, Facilitation, and Inhibition a. Primary succession: occurs on bare, lifeless substrate – open water or barren rock; organisms gradually move into an area and change its nature Bare b Lichen (pioneer) b Moss b Herbs/Grasses b Shrubs b Tree 1 b Tree 2...
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- ex, multiple hosts