At a Glance

Life on Earth Chapter 29 Community Interactions
At a Glance

The Ecological Niche
Competition between Species: Interspecific competition helps control population size.

Predators and Their Prey
Predator-prey interactions shape evolutionary adaptations.
Keystone predators influence community structure.

Symbiosis
Parasitism harms, but does not immediately kill, the host.
Commensalism benefits one species without affecting the other.
In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.
Predators and Their Prey: Predator-prey interactions shape evolutionary adaptations.
Keystone predators influence community structure.

Symbiosis
Parasitism harms, but does not immediately kill, the host.
Commensalism benefits one species without affecting the other.
In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.; Keystone predators influence community structure.

Symbiosis
Parasitism harms, but does not immediately kill, the host.
Commensalism benefits one species without affecting the other.
In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.
Symbiosis: Parasitism harms, but does not immediately kill, the host.
Commensalism benefits one species without affecting the other.
In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.; Commensalism benefits one species without affecting the other.
In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.; In mutualistic interactions, both species benefit.

Succession: Community Changes over Time
There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.
Succession: Community Changes over Time: There are two major forms of succession: primary and secondary.
Succession also occurs in ponds and lakes.
Succession culminates in the climax community.; Succession also occurs in ponds and lakes.
Succession culminates in the climax community.; Succession culminates in the climax community.

Legal Statement