How Species Interact With Eachother. Figure 53.1. Community Group of species living close enough together for potential interaction. Predation. A Predator eats the Prey Predator adaptations Locate & subdue prey Prey adaptations Elude & defend. Competition.
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Red next to yellow, kill
Red next to black,
Friend to Jack
A marine food chain
A terrestrial food chainTrophic structure
Smaller toothed whales
Figure 53.13Food webs
(a)Before a controlled burn.A prairie that has not burned forseveral years has a high propor-tion of detritus (dead grass).
(c)After the burn. Approximately one month after the controlled burn, virtually all of the biomass in this prairie is living.
(b)During the burn. The detritus serves as fuel for fires.Disturbances
(b) One year after fire. This photo of the same general area taken the following year indicates how rapidly the community began to recover. A variety of herbaceous plants, different from those in the former forest, cover the ground.
(a) Soon after fire. As this photo taken soon after the fire shows, the burn left a patchy landscape. Note the unburned trees in the distance.Ecological Succession