IB Biology Topic C4.1.10: A Community as All of the Interacting Organisms in an Ecosystem Notes

A community is every interacting population living in one area

In any habitat, birds chirp, ants march, fungi break down leaves, and plants compete for sunlight.

These organisms do not just share the space, they interact, and together they make up a community.

Analogy

Think of a community as a web of relationships.
Each species plays a role, and a change to one part can ripple through the whole system.

Population, community, and ecosystem are three nested levels

Definition

Community

A community includes all the populations of different species living together in the same area and interacting with each other.

Population

All the members of one species living in the same area.

Community

All the populations of different species living and interacting in that area.

Ecosystem

The community together with the non-living parts of its environment, such as soil, water, and air.

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Note

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Tip

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Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

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Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

IB Biology Topic C4.1.10: A Community as All of the Interacting Organisms in an Ecosystem Notes

A community is every interacting population living in one area

Population, community, and ecosystem are three nested levels

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

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A community is every interacting population living in one area

Population, community, and ecosystem are three nested levels

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

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A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

IB Biology Topic C4.1.10: A Community as All of the Interacting Organisms in an Ecosystem Notes

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

A community is every interacting population living in one area

Population, community, and ecosystem are three nested levels

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

A community is every interacting population living in one area

Population, community, and ecosystem are three nested levels

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account