Food chains and webs

Interdependency

Competition

Predator–prey

Pathogens and parasites

MYP Biology Interdependency Notes

Why Do Organisms Rely On Each Other?

Definition

Interdependency

The reliance of organisms on other living organisms for survival and successful reproduction.

No species can meet all survival needs independently.

Most organisms cannot produce their own food.
Many organisms rely on other species for reproduction.
Some organisms depend on others to maintain suitable living conditions.

These dependencies form biological links between populations.

Removing one species can indirectly affect many others.
Effects are often indirect rather than immediate.
Changes can spread through multiple species even if they do not interact directly.

Note

No organism exists in isolation.
Survival and reproduction depend on interactions with other living organisms within the same ecosystem.

What Types Of Dependence Exist Between Organisms?

Feeding dependence

Many organisms rely on other species as a food source.
Herbivores depend on plant populations.
Carnivores depend on prey populations.

Reproductive dependence

Some plants rely on animals for pollination.
Some plants rely on animals for seed dispersal.
Without these interactions, reproduction success decreases.

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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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Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

MYP Biology Interdependency Notes

Why Do Organisms Rely On Each Other?

What Types Of Dependence Exist Between Organisms?

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Excepteur sint occaecat cupidatat non proident

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Why Do Organisms Rely On Each Other?

What Types Of Dependence Exist Between Organisms?

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Cells7 subtopics

Organisms7 subtopics

Processes10 subtopics

Metabolism4 subtopics

Evolution7 subtopics

Interactions with environment6 subtopics

Interactions between organisms5 subtopics

Human interactions with environments3 subtopics

Biotechnology3 subtopics

MYP Biology Interdependency Notes

Cells7 subtopics

Organisms7 subtopics

Processes10 subtopics

Metabolism4 subtopics

Evolution7 subtopics

Interactions with environment6 subtopics

Interactions between organisms5 subtopics

Human interactions with environments3 subtopics

Biotechnology3 subtopics

Why Do Organisms Rely On Each Other?

What Types Of Dependence Exist Between Organisms?

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Excepteur sint occaecat cupidatat non proident

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Why Do Organisms Rely On Each Other?

What Types Of Dependence Exist Between Organisms?

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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