Teach Symbiosis: Nature is WILD, but some organisms have discovered that if you work together, you can get ahead. When two or more different types of organisms live closely together and interact in the interest of survival, it's called symbiosis.

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ECOLOGY: SYMBIOTIC RELATIONSHIPS
In This Episode:
-Symbiosis Definition
-Mutualism
-Commensalism
-Parasitism
-It's Complicated...relationships are more of a spectrum that neat boxes

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STANDARDS
NGSS
MS-LS2-2 Ecosystems: Interactions, Energy, and Dynamics
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.

TEKS
SCI.8.11.A
Organisms and environments. The student knows that interdependence occurs among living systems and the environment and that human activities can affect these systems. The student is expected to: investigate how organisms and populations in an ecosystem depend on and may compete for biotic factors such as food and abiotic factors such as quantity of light, water, range of temperatures, or soil composition
SCI.9-11.B.12.A
Science concepts. The student knows that interdependence and interactions occur within an environmental system. The student is expected to: interpret relationships, including predation, parasitism, commensalism, mutualism, and competition, among organisms

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